Câu hỏi: You could not have made a very good impression on them.

A. You seem to have impressed them very unfavourably.

B. It’s impossible that the effect you made on them was particularly positive.

C. Something appears to have made them think you are unsuitable.

D. You should have tried harder to make them think well of you.

Câu 1: He was successful in his career thanks to his parents' support.

A. But for his parents' support, he wouldn't have been successful in his career.

B. If his parents hadn't supported him, he would have been successful in his career.

C. Had it not been for his parents' support, he wouldn't be successful in his career.

D. Had his parents supported him, he wouldn't be successful in his career.

Câu 2: Due to the heavy snow, all buses have been cancelled until further notice.

A. If it weren’t for the heavy snow, you would notice how much further the bus had to go.

B. The buses would not have been cancelled if only it had not snowed so much.

C. Heavy snow has caused the buses to stop running, though there will be an announcement of when they will start up again.

D. If this snow keeps up, there will be an announcement to declare that the buses will no longer run.

Câu 3: He last visited London three years ago.

A. He has been in London for three years.

B. He hasn't visited London for three years.

C. He didn't visit London three years ago.

D. He was in London for three years.

Câu 4: 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 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: "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.