Câu hỏi: 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 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:  "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: People say that Mr. Goldman gave nearly a million pounds to charity last year.

A. Mr. Goldman is said to have given nearly a million pounds to charity last year.

B. Mr. Goldman was said to have given nearly a million pounds to charity last year.

C. Nearly a million pounds was said to have been given to charity by Mr. Goldman last year.

D. Nearly a million pounds is said to be given to charity by Mr. Goldman last year.

Câu 5: I am sure he did not know that his brother graduated with flying colors.

A. He should not have been envious of his brother's achievement.

B. He cannot have known that his brother graduated with very high marks.

C. That his brother graduated with flying colors must have been appreciated by him.

D. He may not know that his brother is flying gradually up in a colorful balloon.

Câu 6: 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.