Clearing forests for timber has resulted _______ the loss of biodiversity.

A ________ problem, feeling, or belief is difficult to change because its causes have been there for a long time. 

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

 Everyone can take an important role by always doing their best to help their families flourish.

He hurried _________ he wouldn’t be late for class.

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.

Choose the correct answer in each sentence.

By the time its weeklong promotion was over, Polk Mobile  ______________  to sell almost its entire inventory of Kelstra smart phones.

The new building at the corner of the street will be ______ because it hasn’t been built to be earth quake proof.

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

Choose the correct answer to each of the following questions. "_______ elephants is for the both the practical and immaterial reasons"

The organization underwent ............... reforms.

Lifelong learning can also help amend some of the weaknesses of the education system.

The recent heavy rain has helped to reduce the water ...................

The   ..............  wanted to reduce the breadth of the games, with many events currently having small fields and weak competition.

Chọn đáp án đồng nghĩa nhất với câu sau đây:

Nobody could possibly believe the story he told us

There are more than 20 ________ working on the water treatment project.

The authority has made a lot of great efforts ________ endangered species.

Chọn đáp án đúng để hoàn thành các câu sau:

People should eat ____ and do ____ to reduce the risk of heart disease.

The victims of the disaster finally decided not to choose ____of the two plans of receiving relief supplies from the government.

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

There was a long period without rain in the countryside last year so the harvest was poor.

________ is destroying larger areas of tropical rain forests.

Tony would have forgotten the appointment if I hadn’t ................ him.