Choose the best answer:
Doctors advise people who are deficient __________ vitamin C to eat more fruit and vegetables.

Choose the best answer:

We believe the new program will be .............. to everyone.

For more than ten years, we have seen the significant ..................... in the economy of our country.

Both inventors and engineers look for ways to improve things in areas like health, food, safety, transportation, aerospace, electronics, _______, and the environment.

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

Participants from 100 countries go to the Olympic Games

Scientific progress supplies us with .......................

.................. is the activity of doing special exercises regularly in order to make your muscles grow bigger.

Choose the best answer:

She looked ...........  when she heard the ................  news. 

Choose the best answer:
I don’t know French, but I’ll ________.

No one asked him to donate his money. He did it voluntarily.

Almost half of turtles and tortoises are known to be threatened with ____.

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.
(43)..........................

What will the relationship between computing and ....................... bring US over the next 15 years?

Choose the best answer:

She asked me where I .............. from.

Chọn đáp án đúng điền vào chỗ trống trong câu sau đây:

Forest dwellers had always hunted the local _______ but their needs had been small.

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

You never really know where you are with her as she just blows hot and cold.

All students are required to attend the course in order to be eligible for a certificate.

Choose the correct answer in each sentence.

Customers are asked to acknowledge receipt of their orders by  ______________  their names on a delivery form.

Choose the correct answer to each of the following questions.  "One reason why elephants are _____ in mass volume is from the increasing market of ivory in South East Asia."

Choose the correct answer in each sentence.

The marketing department has launched a social media campaign in an effort to reach a more  ____________  audience.

Choose the best answer:

The audiences were ............... by the clown.