Câu hỏi: 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 1: 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.

Câu 2: 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 3: The train drivers' strike made it hard for us to get to work.

A. We found it difficult to get to work because of the train drivers' strike.

B. When the train drivers were having a strike, we could get to work.

C. We were unable to get to work when the train drivers' strike happened.

D. The train drivers' strike made it impossible for us to get to work.

Câu 4: 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 5: He is an authority on primitive religion.

A. He has official permission to practise primitive religion.

B. He is famous for his vast knowledge of primitive religion.

C. He has authority over the people who practise primitive religion.

D. He has a great influence on the people who practise primitive religion.

Câu 6: If he wrote to her, she would be happy.

A. When he wrote to her, she wasn't happy.

B. May be he'll write to her, and then she'll be happy.

C. He doesn't write to her, so she isn't happy.

D. She's happy because he has written to her.