Câu hỏi: 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 1: Is it necessary to meet the manager at the airport?

A. Did the manager have to be met at the airport?

B. Does the manager have to be met at the airport?

C. Is the manager had to be met at the airport?

D. Does the manager have to meet at the airport?

Câu 2: “Don’t forget to submit your assignments by Thursday,” said the teacher to the students.

A. The teacher reminded the students to submit their assignments by Thursday.

B. The teacher allowed the students to submit their assignments by Thursday.

C. The teacher ordered the students to submit their assignments by Thursday.

D. The teacher encouraged the students to submit their assignments by Thursday.

Câu 3: 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 4: Did you happen to run into George last week?

A. Was it a week ago that you last saw George?

B. Where do you think George was all last week?

C. Have you got any idea what happened to George last week?

D. Did you, by any chance, see George last week?

Câu 5: 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.

Câu 6: 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.