Câu hỏi: We spend about one-third of our lives sleeping. We know relatively little about our sleep.

A. We shall know more about our sleep if we spend more than one-third of our lives sleeping.

B. We know relatively little about our sleep; as a result, we spend about one-third of our lives sleeping.

C. Despite spending about one-third of our lives sleeping, we know relatively little about our sleep.

D. We spend about one-third of our lives sleeping so that we know relatively little about our sleep.

Câu 1: The plan may be ingenious. It will never work in practice.

A. Ingenious as it may be, the plan will never work in practice.

B. Ingenious as may the plan, it will never work in practice.

C. The plan may be too ingenious to work in practice.

D. The plan is as impractical as it is ingenious.

Câu 2: People say that the tulip originated from Constantinople.

A. The tulip is said to originate from Constantinople.

B. The tulip was said to have originated from Constantinople.

C. The tulip is said to have originated from Constantinople.

D. The tulip was said to originate from Constantinople.

Câu 3: It is certain that the new cuts will worry the staff.

A. The new cuts certainly worry the staff.

B. The new cuts will be certainly worry the staff.

C. The new cuts are bound to worry the staff.

D. The new cuts will be bound to worry the staff.

Câu 4: Right after the police had arrived at the scene, the situation was settled.

A. The police did not arrive at the scene until the situation had been settled.

B. If the police had arrived at the scene, the situation would have been settled.

C. The police had no sooner arrived at the scene than the situation was settled.

D. The situation had been settled just before the police arrived at the scene.

Câu 5: They believe that the thieves got in through the kitchen window.

A. The thieves are believed to have got in through the kitchen window.

B. The thieves are believed to get in through the kitchen window.

C. They believe the thieves got in through the kitchen window.

D. They believe the thieves have got in through the kitchen window.

Câu 6: The gardens are open each day for visitors to enjoy the flower displays.

A. In order to enjoy the flowers each day, visitors open their own displays.

B. There are too many flower displays for visitors to enjoy each day.

C. As long as visitors enjoy the flower displays, the gardens are still open each day.

D. The gardens are open each day so that visitors can enjoy the flower displays.