If one species becomes extinct, the whole chain will be .......................  seriously.

Choose the best answer:

I ______ find my own way there. You _____ wait for me.

Chọn đáp án đúng để hoàn thành câu:

Only by reproducing at a tremendous rate do many plant and animal species manage______in the sea.

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions:

Unless you get your information from a credible website, you should doubt the veracity of the facts until you have confirmed them else where.

Choose the best answer:

I can’t go out tonight ............. I am short of money.

Choose the best answer

If you had finished all your homework, you………….. movie now.

Indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

The saola is also indirectly threatened by insufficient attention to and investment in its conservation.

It is equal-chance for everyone. No one should be given privilege.

Chọn phương án đúng:

______companies are offering flexible schedules to employees.

Chọn câu đồng nghĩa nhất với câu sau:

May I suggest Monday for our trip to Bristol?

Choose the correct answer in each sentence.

As the argument raised at the last meeting was on a  ______________  point, it did not affect the proposal's overall plan.

At the___________________ level, you can join three-year or four-year colleges.

Choose the correct answer to complete the sentence. "_____ the class was over, the students ran out, screamed and shouted."

What a heavy fog we have! I’m sure our flight will surely fall behind _____.

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.

He is an honest man. You can rely on him to do a good job.

I was surprised at ____ yesterday. 

Choose the best answer:
This father writes for a magazine . He is a __________________________.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions: 

We have to employ extra staff to deal with the increased workload.

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions:

A chronic lack of sleep may make us irritable and reduces our motivation to work.

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.
(41)..........................

Choose the best answer:
We ________ our grandparents next week.