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.

在横线写上相应单词的编号。
A. afternoon
B. is
C. cats
D. table   
E. are
【小题1】Look, the ________ can climb the trees.
【小题2】—How ________ you? —Fine, thank you.
【小题3】Good ________, Miss Li.
【小题4】There is a dog under the ________.
【小题5】This ________ my mother, Mrs Wang.

There _______ three books on the desk one hour ago. (    )

A．was

B．were

C．are

Sweaters, shorts and T-shirts ______________clothes. (    )

A．am

B．is

C．are

用所给的动词适当形式填空。
1. We are ____ (play) tennis.
2. What are you ______ (do)?
3. They ______(be) watching football.
4. He ______(be)______(do) the high jump.