Maintaining biodiversity is_________ great importance of preserving the precious and rare animals.

Choose the best answer to complete the following sentences.

 Besides, several programmes should be ____ that spreads the world of the conservation of the elephants in the public.

 - Did you remember to give Linda the money you owed her?

- Yes, I gave it to her .................  I saw her.

We have no time left, so please  ................ an end to our discussion here.

We were disappointed that _____ of the members came to the youth club party. 

She is ..................... in asking for bigger salary. She worked hard

Choose the best answer:

After coming home, she cleaned the floor .......... cooked dinner.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks. 
The first thing that is included in the "living together” (23) ______ is the expected good relations with your family. This also involves sharing equally the housework. Lots of people think that everyone should share the housework (24) ________, but in many homes parents do most of it. To certain minds, many families can't share the housework whereas they should try it. In fact, sharing the housework equally is not very possible because of the families' timetable. So, it is somehow believed that children and parents must do things together. For this they can establish a housework planning.
(25)_________, housework's contributions of the teenager make him more responsible. He will think that he has an important role in his family. According to researchers, teenagers should share the housework because (26) ______ will help them when they have to establish their own family in the future. Too many teenagers and young adults leave home without knowing how to cook or clean, but if parents delegate basic housework to teens as they are old enough to do it, they won't be destabilized by doing the housework in their new grown-up life.
It can be (27) ________ concluded that many parents don't really prepare their children for future, because they don't stimulate them to learn how to run a house. If parents get them responsible, teens will be more responsible and that will improve family's life.

It can be (27) ________ concluded that many parents don't really prepare their children for future

Choose the correct answer in each sentence.

Those wishing to participate in the sales ------- that will be held in the coming month must sign up by noon on Wednesday.

Choose the correct answer to each of the following questions. "Nylon is a ______ fibre, the use of which has helped more people to have cheaper and more colourful clothes to wear."

The boy’s brought up by his grandmother, …………..he?

Jim: “You really have a good game today, Jack!” Jack: “ ________”.

Choose the correct answer to each of the following questions. "The number of tourists ______ because now it is more difficult for them to see the elephants in the wild."

 We found it very difficult …... a decision. 

Choose the best answer among A, B, C or D that best completes each sentence: I’d rather ….. in the field than …… home.

Last year I studied abroad. I appreciate _______ the opportunity to live and study in a foreign country. 

Prices are increasing dramatically in big cities. The ..............  seems to go up every day.

Henry was a studious student. He needed no ..........................  to work hard.

Choose the best answer among A, B, C or D that best completes each sentence: “Do you have to buy this hat?” “No, I …. it isn’t necessary.”

It is found that endangered species are often concentrated in areas that are poor and densely populated, such as much of Asia and Africa.

Choose the best answer:
_______, it is obvious that the whole thing was a waste of time and effort.