Are you helpful _______ home? （    ）

A．in

B．at

C．on

Are you ready ______ your trip? (    )

A．in

B．for

C．from

It's on your book. (   )

A．它在你的书里。

B．它在你的书上。

选择下列单词或词组填入每句的空格中。每空格限填—词，每词只能填—次

A．north

B．for his trip

C．in the future

D．sour lemons

E．school uniforms

F．go to the park

1.I don't know what Kitty will be like ________.
2.Tom doesn't like sweet food and she'd rather eat ________.
3.The students in No. 2 High School wear ________ on Mondays.
4.Shall we ________ tomorrow?
5.My husband is packing his suitcase ________in the sitting-room.
6.As we all know, Beijing is in ________ of Shanghai.

找出句子中错误的一项并改正：Can I listen for my CDs? ___________________