Choose the best answer:
A smart city is an urban area that uses different types of electronic data collection sensors to supply information which ____ assets and resources efficiently

Choose the best answer:
He was useless while using the knife, so he cut _____

Choose the best answer:
U S. policymakers are forced to make hard choices ____________ economy and environment priorities

Choose the best answer:
You can ..... pies and cakes, though cranberry sauce, jams, gravy, and other liquid or jellied foods are restricted to 3.4 ounces

Choose the best answer:
Our plans to hold an end-of-year picnic in the woods were ________ by the bad weather

Choose the best answer:
If it _____________ convenient, let‟s go out for a drink tonight

Choose the best answer:
After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the (26) ______ of the previous day. The rest that you get while sleeping enables your body to prepare itself for the next day. There are four levels of sleep, each being a little (27) ______ than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you (28) _____ the fourth level, your body shifts back and forth from one level of sleep to the other. Although your mind slows down, you will dream from time to time. Scientists who study sleep state that when dreaming (29) ______ , your eyeballs begin to move more quickly. This stage of sleep is called REM, which stands for Rapid Eye Movement. If you have trouble falling asleep, some people recommend breathing very slowly and deeply. Other people believe that drinking warm milk will make you (30) ______. There is also an old suggestion that counting sheep will put you to sleep!

Choose the best answer:
Everything ____, they decide not to acknowledge the site as a world heritage site as it is not so well-qualified

Choose the best answer:
His excuse for being disrespectful to the disabled sounded quite ____, so we did not accept it

Choose the best answer:
The stars ..... as soon as it was dark

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 building looked as though it was falling __________, because of the strange angles of the walls

Choose the best answer:
The rivers in the local area are heavily polluted ____ wastes released from nearby factories

Choose the best answer:
This is a closed-book exam, so you ____ use any reference books in the examination room

Choose the best answer:
With 1960 islands in different sizes and an unbelievable smooth sea surface, Halong Bay ____ its name to one of the worthiest places in the world to visit

Choose the best answer:
Working in the garden it is pleasant ____ to music

Choose the best answer:
Let’s go for a walk, ________

Choose the best answer:
 Isolated from the mainland, the Con Dao islands are one of Vietnam’s star (4) _____. Long preserve of political prisoners and undesirables, they now turn heads thanks to their striking natural beauty. Con Son, the (5) _____ of this chain of 15 islands and islets, is ringed with lovely beaches, coral reefs and scenic bays, and remains partially covered (6) _____ tropical forests. In addition to hiking, diving and exploring deserted coastal roads, there are excellent wildlife–watching opportunities, such as the black giant squirrel and endemic bow–fingered gecko. (7) _____ it seems an island paradise, Con Son was once hell on earth for the thousands of prisoners who languished in a dozen jails during French rule and the American–backed regime. Many Vietnamese visitors are former soldiers (8) _____ were imprisoned on the island. Until recently, few foreigners visited Con Dao, but with the commencement of low–cost boat connections this looks sure to change

Choose the best answer to complete the sentence.

The clock is _______ the teacher's desk.

Choose the best answer:
Make a wish and blow __________ your birthday candles!

Choose the best answer:
Workers should ------- their immediate supervisors if they anticipate arriving late at work