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15、Beijing was attacked by such a terrible sandstorm ?? few residents had experienced before

   A. as        B. which             C. and it was           D. that

14、I ??  them when the accident happened, but I ?? how to give first aid.

  A. could help; know                    B. could help; didn’t know

  C.could have helped; hadn’t known        D.could have helped; don’t know.

13、---Why didn’t Tom have his lunch? It’s already one o’clock.

  ---His pet bird ?? this morning. He?? still for quite a long time in his room crying.

  A. died; had sat                           B. has died; has sat     

  C. has died;is sitting                       D.died; has been sitting

12、Under good treatment Linda is beginning to ?? and willl soon recover.

A. pick up          B.pick out          C.turn up           D.show up

11、Easy as we made it the importance to keep earth in place, some villagers wouldn’t listen.

  A. to understand     B.understand       C. understanding    D.to be understood

10、?? his father, John wouldn’t have passed the diving test so easily

A.If it hadn’t been                      B.Hadn’t it been

C.Had it not been for                    D.Were it not for            

9、Top players must have excellent ball control, but it is not just  they do with their feet  counts.

A.how; that         B.that; what         C. what; that       D. whether; what

8、Though there are some differences in American education and Chinese education,both systems are  ?? excellent            graduates

         A.turning away       B.turning off      C.turning in        D.turning out

7、?? you worry her with questions, just when she is busy cooking dinner?

A. Should           B.May           C.Will            D.Must

6、Tom is ?? most hardworking student, but he isn’t?? most hardworking in our class.

A. the; the                B.a; the          C. the; a           D. a; a