Choose the best answer:
Unless we do something now, hundreds of plant and animal species will _______

Choose the best answer:
Many animals in the wild are suspicious and fearful of human beings. Many animals would take escape instantly (20)_____a human approaches. Man, however, soon discovered that some animals can be tamed or domesticated. Unlike animals in the wild, these animals would (21)_____ man to come close to them. They would even allow their owners to stroke or pet them. In the early times man would domesticate animals by setting traps to catch their young. A young animal is (22) _____ easily domesticated than an adult one. From young,the animal learns to trust and obey its owner. Many different kinds of animals have been domesticated. Some common examples are animals like horses, elephants, chickens and pigs. The dog, which is also (23)_____ as "man's best friend", is one of the first animals to have been domesticated. In England, long ago, the pig was a wild animal. It was a ferocious and aggressive (24)_____which was not easily captured. Yet nowadays, the domesticated pig is no longer the lean and tough than creature it used to be

Choose the best answer:
I was with Overseas Volunteers (OV) for a year after leaving university, and I was sent to an isolated village in Chad, about 500 kilometers from the capital N'Djamena. Coming from a rich country, I got quite a shock, as conditions were much harder than I had expected. But after a few days I got used to (11)_______ there. The people were always very friendly and helpful, and I soon began to appreciate how beautiful the countryside was. One of my jobs was to supply the village (12)______ water. The well was a long walk away, and the women used to spend a long time every day (13)______ heavy pots backwards and forwards. So I contacted the organization and arranged to have some pipes delivered. (14)______ these pipes were not really perfect, they still made a great difference to the villagers. All in all, I think my time with OV was a good experience. Although it was not paid, it was well worth doing and I would recommend it to anyone (15)______ was considering working for a charity

Choose the best answer:
The young man would always ..........  if there were any girls

Choose the best answer:
_______ we climb, the steeper the mountain became

Choose the best answer:
The school hopes to attract more and more students to its ____ activities aiming at helping the disabled

Choose the best answer:
The group _______________ concerts for charity throughout Europe.

Choose the best answer:
The invention of the mobile phone has undoubtedly revolutionized the way people communicate and influenced every aspect of our lives. The issue is whether this technological innovation has (25) _____ more harm than good. In order to answer the question, we must first turn to the types of consumers. Presumably, most parents (26) _____ are always worrying about their children’s safety buy mobile phones for them to track their whereabouts. We can also assume that most teenagers want mobile phones to avoid missing out on social contact. In this context, the advantages are clear. (27) _____, we cannot deny the fact that text messages have been used by bullies to intimidate fellow students. There is also (28) _____ evidence that texting has affected literacy skills. The widespread use of mobile phone has, out of question, affected adult consumers too. What employee, on the way home from work, would be reluctant to answer a call from their boss? Apparently, only 18% of us, according to a survey, are willing to switch off our mobile phones once we've left the office. Admittedly, mobile phones can be intrusive but there are obvious benefits to possessing one. Personally speaking, they are invaluable when it comes to making social or business arrangements at short (29) _____. They also provide their owners with a sense of security in emergency situations

Choose the best answer:
I was with Overseas Volunteers (OV) for a year after leaving university, and I was sent to an isolated village in Chad, about 500 kilometers from the capital N'Djamena. Coming from a rich country, I got quite a shock, as conditions were much harder than I had expected. But after a few days I got used to (11)_______ there. The people were always very friendly and helpful, and I soon began to appreciate how beautiful the countryside was. One of my jobs was to supply the village (12)______ water. The well was a long walk away, and the women used to spend a long time every day (13)______ heavy pots backwards and forwards. So I contacted the organization and arranged to have some pipes delivered. (14)______ these pipes were not really perfect, they still made a great difference to the villagers. All in all, I think my time with OV was a good experience. Although it was not paid, it was well worth doing and I would recommend it to anyone (15)______ was considering working for a charity

Choose the best answer:
So you bought a car, ________

Choose the best answer:
We will have to _____ a new marketing strategy to sell that product overseas

Choose the best answer:
……recent times, the discipline of biology has expanded rapidly into a variety of subdisciplines

Choose the best answer:
On the slope of Long's Peak in Colorado ................... the ruin of a gigantic tree.

Choose the best answer:
British and Australian people share the same language, but in other respects they are as different as _____

Choose the best answer:
Never _____ in such a strange situation

Choose the best answer:
The neighbors are out looking ____________ their dog yet again

Choose the best answer:
He often …………………… a train to work.

Choose the best answer:
I ________  him of the meeting to the other day. I wonder why he didn’t turn up

Choose the best answer:
Befriending can offer volunteers the opportunity to provide support and friendship to a person who may be going ____ a difficult period.

Choose the best answer:
I need to stop staying __________ so late—I can barely function at work

Choose the best answer:
He is_______a busy man that he really needs a helper