学位英语

6. A) expand

B) to extend

C) expanded

D) extended

7. A) called

B) calling

C)to call

D) calling on

8. A) to

B) for

C) with

D) by

9. A) what

B) that

C) which

D) this

10. A) put off

B) canceling

C) destroyed

D) canceled

标准答案： C,A,D,C,D

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