18. Because of my poor English I' m afraid I can' t make myself　　　　 .　　　　　

(A)understand (B)to understand

(C)understanding　　 (D)understood

17. He wrote a　　　　 report.　　

(A)two-thousand-words (B)two-thousand-word

(C) two-thousands-word (D)two-thousands-words

16. He said he would rather not　　　　 it right now.

　(A)doing　　　 (B)to do　 (C)do　　　 (D)to be doing

15. There isn' t any difference between the two. I really don't know　　　　 .　　　　

(A)where to choose　　　 (B)which to choose

(C)to choose what　 (D)to choose which

14. "Must we do it now?""No, you　　　　 ."　

　(A)won't　　　 (B)needn't　　　 (C)can't　 (D)don't

13. I like sports and 　　　　my brother.

　(A)so does　　 (B)so is　 (C) so　　 (D) so likes

12. If you don't know the word, why don't you 　　　　in the dictionary?　　　　　

　(A)look at it　 (B) look after it

(C) look up it　 (D)look it up

11. My father is leaving　　　　 Shanghai tomorrow.

(A)for　　 (B)in　　　 (C)into　　 (D)to

10. I　　　　 you were here.　　　　　　

　(A)don' t know　　 (B)not knew

(C)didn' t know　　　 (D) wasn't known

9. Ask her 　　　　come with me.　　

　(A)if she will　　　 (B)if will she

(C)whether will she　　　 (D) will she