Crops are often completely destroyed by _________ of locusts.

Choose the best answer:

He can’t get home .............. he has the ticket.

All rubbish and sewage has to be _________ treated before being discharged into seas and rivers.

The use of unleaded petrol has _____ in recent years.

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: 

Efforts by the government agency to improve its work were hampered by lack of funds.

Choose the correct answer in each sentence.

Ms. Nissim, the founder of Hartwell Industries, will   ______________ a talk on effective sales strategies at the marketing convention.

Conservation is the protection of the                environment.

You have got many friends there, ……………..you?

Colleges in the newly formed United States, in recovering from the adverse effects of the American Revolution, inaugurated a broad curriculum in response of social demands.

It was such a boring speech that I fell ....................

Mr Nam knows Hanoi City like the back of his................... He used to be a taxi driver there for 10 years.

Government have passed laws to ...................... protect wildlife from commercial trade.

The government should take some measures to............ that tourism develops in harmony with the environment.

Choose the correct answer to complete the sentence. "As soon ____ the class had finished, the students ran out, screamed and shouted."

Choose the best answer among A, B, C or D that best completes each sentence: “Do you have to buy this hat?” “No, I …. it isn’t necessary.”

Prices are increasing dramatically in big cities. The ..............  seems to go up every day.

Choose the best answer:
It’s Prime Minister’s right to ______ an election at any time he likes.

Choose the best answer:

I don’t believe ...................... the existence ............ UFOs ............Earth.

You should be a little more ............... if you want to attract their attention.

Choose the best answer:
He promised to mend the broken wheel soon without ___________ .

Nowadays, quite a few Internet courses can offer an effective ................  to classroom teaching.