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

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

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

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

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

Câu 1:  "Why don't we wear sunglasses?" our grandpa would say when we went out on bright sunny days.

A. Our grandpa used to suggest wearing sunglasses when we went out on bright sunny days.

B. Our grandpa would warn us against wearing sunglasses on bright sunny days.

C. Our grandpa asked us why we did not wear sunglasses when going out on bright sunny days.

D. Our grandpa reminded us of going out with sunglasses on bright sunny days.

Câu 2: “You have just got a promotion, haven’t you? Congratulations!” Peter said to his friend.

A. Peter dream of getting promotion.

B. Peter told his friend if his friend getting a promotion.

C. Peter asked his friend on getting a promotion.

D. Peter congratulated his friend on getting a promotion.

Câu 3: We cut down many forests. The Earth becomes hot.

A. The more forests we cut down, the hotter the Earth becomes.

B. The more we cut down forests, the hotter the Earth becomes.

C. The more forests we cut down, the Earth becomes hotter.

D. The more we cut down forests, the Earth becomes hotter.

Câu 4: Start at once or you will be late.

A. Unless you start immediately, you won’t be late.

B. You would be late if you didn’t start at once.

C. If you don’t start immediately, you will be late.

D. If you started at once, you wouldn’t be late.

Câu 5: The coffee was not strong. It didn’t keep us awake.

A. The coffee was not very strong, but it couldn’t keep us awake

B. We were kept awake because the coffee was strong.

C. The coffee was not strong enough to keep us awake

D. The coffee was so hot that it didn’t keep us awake.

Câu 6: Would you mind waiting outside the office?

A. Will you wait outside the office?

B. Did you wait outside the office?

C. Do you enjoy waiting outside the office?

D. Did you see anyone waiting outside the office?