---Do you mind if I sit here?

---________. It’s for Mr. Brown.

　　 A. Not at all　　　　　　　　　　　 B. Never mind　　

C. Better not　　　　　　　　　　　 D. Of course not

 The color of her skirt is different from ________ of mine.

     A. one          B. it               C. this              D. that

 _____ of the twins has been there before.

     A. Both         B. Neither          C. All               D. None

The boy is ________ young to know ________.

　　 A. so; what to do　　　　　　　　　 B. too; what to do　

C. so; how to do it　　　　　　　　 D. too; how to do

 The twins often argue __________ what TV programmes __________.

A. with, to watch                  B. about, to watch

C. about, watching                   D. with, watching

 There ________ a number of books on the bookshelf. He thinks that the number of books __________ about. 100 .

A. are, are            B. is, is           C. are, is                   D. is, are

 He always makes his class _____ .

      A. lively and interested           B. lively and interesting

     C. alive and interested             D. alive and interesting

—Shall we go out for a picnic this Sunday，Millie?

—Sorry, I would rather ________at home than ________out.

　　 A. stay; going　　　　　 　　　　　 B. staying; go 　　　 　

C. staying; going D. stay; go

Can you please spend some time ____ it _____ us?

　　 A. explain; to　　　　　　　　　 B. explaining; to

C. to explain; for　　　　　　　 D. explainning; for

You’d better stay at home ______ they _______.

A. during; leave                  B. while; leave    

C. during; are away               D. while; are away