Câu hỏi: 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 1: He didn’t take his father’s advice. That’s why he is out of work.

A. If he had taken his father’s advice, he would not have been out of work.

B. If he took his father’s advice, he would not be out of work.

C. If he had taken his father’s advice, he would not be out of work.

D. If he takes his father’s advice, he will not be out of work.

Câu 2: 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 3: Most people get fewer colds in the summer than in the winter.

A. A person is more likely to get a cold in the winter than in the summer.

B. More people have summer colds than winter colds.

C. People get colder in the summer than in the winter.

D. The winter is much colder than the summer.

Câu 4: He failed his driving test the first time. As a result, he took it again.

A. He failed his driving test the first time and so he therefore took it again.

B. He failed his driving test the first time and he therefore took it again.

C. He failed his driving test the first time which he took it again.

D. Failing his driving test the first time and he therefore took it again.

Câu 5:  "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 6: 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.