选出正确的单词补全句子：We __________（is/are）rowing a boat.

There ___________a river and a lake on the farm. ( )

A．is

B．are

C．have

I ______ wearing a pink sweater. (   )

A．am

B．is

用所给词的适当形式填空。 
1. I ________ ill today. (be)
2. I’ll ______ (help) you with your English.
3. Bob _______(have) a cough today.  
4. She ______(have) a fever yesterday.
5. Can you ______ (go)and fly a kite with me?
6. Sorry, I can’t ______(go) to park with you.

改错：I was fat. But now I is thin. （_____）改为__________
A B   C