用括号里单词的适当形式填空
1. When I am ________ (do) my homework, my mother is ________ (cook).
2. He has to _________ (travel) the country in search of work.
3. How __________ (do) seeds travel?
Seeds _________ (travel) in many ways.
4. What _____ (be) they talking about?
They are _________ (talk) about the seeds of plants.

His hobby _____ cooking. (    )

A．is

B．are

C．does

下列句子中各有一处错误，请选出来并在横线上改正。
【小题1】There arefourballoon. （______）_____________
A  B    C
【小题2】How many studentare there in your class?   （______）_____________
A    B C
【小题3】What do you do onan English class? （______）_____________
A   B  C
【小题4】Are you likemusic?    （______） _____________
A B   C
【小题5】There is two sofasin the living room.   （______）_____________
A B  C

How _________ your summer holiday? (    )

A．was

B．are

C．were

Whose trousers ___________? （  ）

A．is it

B．they are

C．are they