语法巩固:用所给词的适当形式填空。
I ________ just ________(have)breakfast.
We won't go to the park if it ________(not be)fine.
Look at the sky.I'm sure it ________(rain).
-________ you ________(write)the letter?
-Not yet.
There ________(be)a sports meeting on the playground next month.
The twins ________(fly)the kite when I saw them.
Meimei ________(not finish)her homework yet.She ________(do)it now.
Look!All the runners ________(run)very fast.
How long ________ you ________(live)in Tianjin?
If my friend ________(come)to my house tomorrow,I ________(let)her see my new coat.