Câu hỏi: "We will not leave until we see the manager," said the customers.

A. The customers promised to leave before they saw the manager.

B. The customers refused to leave until they saw the manager.

C. The customers agreed to leave before they saw the manager.

D. The customers decided to leave because they did not see the manager.

Câu 1: He has retired. He watches football every afternoon on cable TV.

A. Although he’s retired, he watches football every afternoon on cable TV.

B. Now that he’s retired, he watches football every afternoon on cable TV.

C. When he’s retired, he watches football every afternoon on cable TV.

D. He’s retired, so that he watches football every afternoon on cable TV.

Câu 2: Joe has finished his frist-aid course. He proves extremely helpful as a rescue worker.

A. Although Joe proves extremely helpful as a rescue worker, he hasn’t finished his first-aid course.

B. Without finishing his first-air course, Joe proves extremely helpful as a rescue worker.

C. However helpful Joe proves as a rescue worker, he hasn’t finished his first-aid course.

D. Having finished his first-aid course, Joe proves extremely helpful as a rescue worker.

Câu 3: The government have established some wildlife reserves. They want to protect endangered species.

A. Whether the government have established some wildlife reserves or not, endangered species are still protected.

B. Endangered species can't be protected although the government have established some wildlife reserves.

C. The government have established some wildlife reserves so that endangered species can be protected.

D. If the government established some wildlife reserves, they would be able to protect endangered species.

Câu 4: They expect that recent changes will bring about an overall improvement in the quality of the country’s education.

A. Recent changes are expected to lead to an overall improvement in the quality of the country’s education.

B. The quality of the country’s education is expected to be the consequence of recent changes.

C. It is expected that recent changes are caused by an overall improvement in the country’s education.

D. It was expected that recent changes would result in an overall improvement in the quality of the country’s education.

Câu 5: They were late for the meeting because of the heavy snow.

A. If it snowed heavily, they would be late for the meeting.

B. Had it not snowed heavily, they would have been late for the meeting

C. But for the heavy snow, they wouldn't have been late for the meeting.

D. If it didn't snow heavily, they wouldn't be late for the meeting.

Câu 6: Mary is crazy about her new puppy.

A. Mary’s new puppy drives her crazy.

B. Marry really likes her new puppy.

C. Mary’s new puppy is crazy.

D. Mary has a crazy dog.