2．I am his student. (改为复数形式)

______ ______ his ______.

1．It is a red apple. (改为否定句)

It ______a red apple.

20． Where is my bag? It's ______there.　　　 [　 ]　　

A．at　 B．in　　C．over D．to

19．I can't______ my pen.　　　　　　　 [　 ]　　

　A．to find　B．find　　C．find the D．to find the

18．Whose shoes ______these?　　　　　　[ 　]　　

　A．is　B．a　　C．are D．of

17．Who's this man______ a white shirt? 　　　[　 ]　　

　A．in B．on　　C．at D．to

16．Let______ , please.　　　　　　　 [　 ]　

　A．I see 　B．me see　　C．me look D．I look

15．Whose blouse is this? It is______ . 　　　[　 ]　

　A．Tom's　　B．Mike's　　C．Han Meimei's D．Li Lei's

14．Are these ______desks? No, they are not______ . [　 ]　　

　A．their, their　B．theirs, their　　C．their, theirs D．theirs, theirs

13．This is his shirt. It is______ 　　　　 [　 ]　　

　A．he 　B．he's　　C．him　D．his