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: They couldn’t think of anything better to do. They decided to baby-sit for the family.

A. As long as they couldn’t think of anything better to do, they decided to baby-sit for the family.

B. They couldn’t think of anything better to do, yet they decided to baby-sit for the family.

C. Since they couldn’t think of anything better to do, they decided to baby-sit for the family.

D. As soon as they couldn’t think of anything better to do, they decided to baby-sit for the family.

Câu 2:  "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 3: Overeating is a cause of several deadly diseases. Physical inactivity is another cause of several deadly diseases.

A. Not only overeating but also physical inactivity may lead to several deadly diseases.

B. Apart from physical activities, eating too much also contributes to several deadly diseases.

C. Both overeating and physical inactivity result from several deadly diseases.

D. Overeating and physical inactivity are caused by several deadly diseases.

Câu 4: Lucy always reminds me of my youngest sister.

A. When ever I see Lucy, I think of my youngest sister.

B. I always thinks of Lucty, my youngest sister

C. It is Lucy who is my youngest sister

D. My youngest sister’s name is Lucy.

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: The train should be here any minute now.

A. We know that the train is always here on time.

B. The train has not arrived here yet.

C. The train is known to be here in a minute.

D. We are expecting the train to arrive soon.