Choose the correct answer in each sentence.

Emily introduced  _____________  before starting the interview for the management job.

Unlike wood, paper, and fabric which tendency to disintegrate after being buried for many years, ceramics and glassware although easily broken, survive well in the ground.

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.
While Tom Spinkler was travelling along Wagon Wheel Road in Big Cypress Swamp in South Florida, he came across a young snake.

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:

If people’s interference with the environment decreases, more species will survive and produce offspring.

Assembly lines are useful for producing a large_________ of identical products.

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

Many species have become extinct each year before biologists can identify them.

A good lifelong learner can advance both at work and in life.

Choose the correct answer to complete the sentence. "At no time Jonh asks me when she ____ my bathroom."

Choose the best answer:

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

We have to apply effective measures to save many plant and animal species _______ extinction.

Choose the correct answer to complete the sentence. "Often, computer – animation companies first _____ motion tests with simple computer-generated line drawings before selling their computers"

Chọn từ thích hợp điền vào chỗ trống:

Many nations have laws offering protection to these species, such as forbidding hunting, restricting land development or creating _______.

Choose the best answer:

The air in the city is very .....................

Choose the best answer

Asking the ____ questions can be more important than having the answers.

For more than 20 years, the Vietnamese government has pursued the open - door........................ and continued to woo foreign investment.

Chọn từ thích hợp điền vào chố trống:

Only a few of the many species at risk of extinction actually make it to the lists and obtain legal _______.

Chọn đáp án đúng để hoàn thành câu:

He had to leave early, ______ he?

More and more people                                             of food poisoning nowadays.

Choose the best answer among A, B, c or D that best completes sentence: People believe  in protecting  endangered  animals  and they protect them ________  controversial ways.

The use of unleaded petrol has _____ in recent years.

Many an environmentalist, in addition to many economists, _____ that if oil supplies _____ in the near future, we would find it hard to fulfil our energy needs.