Câu hỏi: He won't find a seat unless he's got a ticket. 

A. Because he has got a ticket already, he will find a seat. 

B. He can't find a seat although he has a ticket.

C. He will only get a seat if he has a ticket.

D. He will be able to get a ticket when he finds a seat. 

Câu 1: We’ll be late for the meeting...........

A. unless we hurry up

B. if we are in a hurry 

C. unless we will hurry up

D. when we are in a hurry

Câu 2: ............., he wouldn’t have missed the train

A. If he listened to me

B. Unless she had listened to me

C. If he had listened to me

D. If he didn’t listen

Câu 3: In bacteria and other organisms, ............

A. it is the DNA that provides the genetic information

B. which is the DNA that provides the genes

C. the DNA providing the genetic information

D. the DNA that provides the genetic information 

Câu 4: Sue has been our next-door neighbour for years, .........

A. and we hardly ever see her

B. therefore, she never sees us 

C. so we hardly ever see her

D. however, we hardly ever see her

Câu 5: The instructions from air traffic control were not fully explicit, and......................

A. so that the pilot made an error and crashed

B. as a result, the pilot made an error and crashed 

C. therefore the pilot made it crash 

D. resulting from the pilot crashing the plane 

Câu 6:                      , he was determined to continue to climb up the mountain. 

A. He felt very tired though

B. As he might feel tired

C. Tired as it was

D. Tired as he might feel