动词ing形式
listen—     draw—     read—  
answer—    clean—     do—

I’m ________ an e-mail.  (    )

A．writing

B．write

C．writting

用所给单词的正确形式填空
1. My __________ (short) are too short.
2. My brother has two __________ (pair) of glasses.
3. My trousers __________ (be) too long.
4. I’m __________ (make) a shopping list.
5. Can you buy a cap for __________ (I)?

用括号中所给单词的正确形式填空。
1. We can see some ________(snowman) in winter.
2. ________(one), I brush my teeth.
3. I have two sticks for his ________(arm).
4. Can you ________(put)it on the chair?
5. He is ________(clean)the room.

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.