The passengers ____ in the traffic accident were in great need of first aid.

   A. having injured     B. injured             C. to be injured          D. being injured

 She was very angry because she _______for almost half an hour before the waiter turned up.

   A. had been waiting   B. has waited              C. was waiting          D. waited

 --- I think the students should take part in more social activities in their spare time.

---I agree with you ________.

A. in the way                  B. on the way               C. by the way               D. in a way

 The boy lives in a village _____ there are no schools. Thus he has to go a long way every weekday to attend classes.

       A. where          B. which                          C. that                          D. who

 I was really anxious about you. You _____ home without a word.

A. mustn’t leave   B. shouldn’t have left  C. couldn’t have left  D. needn’t leave

--- Would you like to go climbing with me?

--- I’d love to, but I need to have my bike __________first.

A. fixing                B. to fix            C. being fixed         D. fixed

 When I entered the classroom in a hurry, I suddenly realized I _____ all my homework at home.

   A. has left        B. left                     C. had left     D. was leaving

 They found _______ hard to believe the news that over 20 kids were shot and killed in USA.

   A. this                       B. it                          C. that                     D. which

 Maybe if I _____ science, and not literature then, I would be able to give you more help.

   A. studied        B. would study    C. had studied    D. was studying

 Before the volcanic eruption_______, Pompeii had been a booming Roman city.

       A. had occurred       B. has occurred  C. occurred           D. occurs