--Do you have enough students to clean the laboratory?　

--No, I think we need____________ students.

　 A. another　　　 B. two others　　　 C. more two　　　 　 D. two more

补全对话

A:Hi,Mr.Wilson.Where did you go last night?I 1　　　you up but there 2　　　 no 3　　

B:Hi,David.I 4　　　to Shanghai,Suzhou and other 5　　　.

A:Great.6　　　 did you go there 7　　　?

B:You know I’m a businessman.I 8　　　9　　　 to many places.

A:What 10　　　 of computers do you have?

B:Many 11　　　12　　　.

A:Some are very 13　　　 and 14　　　 are quite dear.

B:I think your job 15　　　be 16　　　 and 17　　　 because you can sell your things and see the world 18　　　 the 19　　　 time.

A:I think so.So I 20　　　 my work.

How can you study in the living room when other people are watching TV?

  I think you need a 　　　 place.

  (A) cleaner   (B) quieter        (C) safer   (D) smaller

--Do you have enough students to clean the laboratory?　

--No, I think we need____________ students.

　 A. another　　　 B. two others　　　 C. more two　　　 　 D. two more