Becoming an astronauts is so demanding that _______ people manage it. 

Choose the correct answer in each sentence.

Prior to permanently shutting down, Rebound Media thanked customers for the  _____________  they had shown over the years.

................ me to phone them before I go out.

Choose the word(s) CLOSEST in meaning to the following word(s). "Shrinking"

Choose the best answer:

Going swimming in the summer is very interesting, .............it?

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He never goes to work late,...................?

Chọn đáp án đúng để hoàn thành câu:

We should do something immediately to conserve _______ nature.

Choose the best answer:

Please phone this number for more ....................

Be sure not to rely too .................... on your mother tongue when you are learning a foreign language.

Humans depend on species diversity to provide food, clean air and water, and fertile soil for agriculture.

....................... laws and regulations which impose restrictions on any rights should be revised to comply with international law.

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He is the ............... of our string band.

Choose the correct answer in each sentence.

Staff members with __________   engagements need not feel obliged to attend next week's field trip.

Women usually don’t shake hands when being  ......................

Public figures, such as actors, are often reluctant to talk about their ___lives.

Chọn từ đồng nghĩa với từ được gạch chân trong câu sau đây:

The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.

 All students must…………homework before going to class

Choose the best answer

One of the most forgotten ____ of education is to teach students how they can learn on their own.

You                        wash those potatoes. They’ve already been washed.

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Politicians should never lose ______ of the needs of the people they represent.

Read and choose the appropriate option: 
WHY DO ANIMALS GO EXTINCT? Different kinds of animals have appeared and disappeared throughout Earth’s history. Some animals go extinct because the climate (41)_______ they live changes. The climate may become wetter or drier. It may become warmer or cooler. If the animals cannot change, or adapt, to the new climate, they die. Some animals go extinct because thay cannot (42) _______ with other animals for food. Some animals go extinct because they are killed by enemies. New kinds of animals are always evolving. Evolving means that the animals are changing (43) _______ from generation to generation. Small differences between parents, children, and grandchildren slowly add up over many, many generations. Eventually, a different kind of animal evolves. [evolve: tiến hóa] Sometimes many of the animals on Earth go extinct at the (44) _______ time. Scientists call this a mass extinction. Scientists think there (45) _______ at least five mass extinctions in Earth’s history. The last mass extinction happened about 65 million years ago. This mass extinction killed off the dinosaurs.
(44)..........................