Chọn một từ đúng trong ngoặc để hoàn thành các câu sau:

He has been an engineer ___________ 15 years. 

Choose the best answer: 
_________ he’s spent a lot of money to redecorate his shop, he cannot make any more profit.

John announced that he could not longer tolerate the conditions of the contract under which he was working.

Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

Choose the best option to complete the sentences:  _______ I get, _______ I am.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

If you have any excess _________ you must pay extra money.

It took the mayor over an hour explanation to the other members of the board why he had missed the last meeting.

This will have a serious effect about agriculture.

In the United States, the leading butter-producing states which are Wisconsin, California, and Minnesota

They usually took a tree back with them and put it on the centre of the village.

Choose the underlined part among A,B,C or D that needs correcting:

Despite the house was small and old, it was in good condition.

_____ against women and girls should be eliminated when government and people co-operate.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

._____________ I ask him for the money he owes me, he says he will bring it in a few days, but I don't think he has got it at all.

From 1785 to 1990, the capital of the U.S is located in New York City

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

The safety committee's report recommended that all medicines should be kept out of the_________ of children.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

The blue curtains began to_________ after they had been hanging in the sun.

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations

I’m trying to save up for a trip to Canada, so I can’t afford buying much at the moment.

One of the students who are being considered for the scholarship are from this university.

No sooner had the secretary hang up than  the phone rang again.

I was such nervous that I didn’t think I would pass the exam.