13. If they do it with a strong mind, they can overcome any difficulty, ____ great it is.

　　　 A. how　　　　　 B. what　　　　　 C. however　　　　　　 D. whatever

12. I’d like ____ information about the operation of this machine. Well, you could have ___ word with the worker.　　 A. some; the 　　　　　　　 B. some; a　　　　　　 C. an ; some　 D. an; a

11. Do you know who was elected ___ of the country?

　　　 A. president　　　　　 B. the president　　　　　　 C. a president　　　　 D. as a president

10. This school has thirty classes, ____ a library and three labs.

　　　 A. to include　　　　　 B. included　　　　　　 C. include　　　　　　　 D. including　

9. The girls seemed like nurses ____. 　

A. dressed white B. putting on white　　　 C. wore white D. dressed in white　　　　

8. Be sure to buy ____ books for children.

　　　 A. other such 　　　　　　　 B. other or　　　 C. such other　　　　 D. so other

7. Our boss is kind and easy ____. A. to work　　 B. to get on　　 C. to get on with　　 D. getting to

6. She did what she could ____ the boy to continue his study.

　　　 A. help　　　　　 B. to help　　　　　　　　　　 C. helping　　　　　　 D. to helping

25. How is your cousin? _____.

A. He is eighteen　　　　　　 B. He is much better　 C. he is an engineer　　　　 D. He is Howard

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24.He had something urgent to deal with, ____ he didn’t come to the party yesterday.

A. because　　　　　　 B. because which　　　　　 C. because of it　　　　　　 D. because of which