阅读理解。

　　There are four hats on the table. They are red, yellow, green, and white.

They are Mike's, Bill's, Tom's and John's. Tom's hat is not yellow, green, or red.

John's hat is not green. And Mike's hat is not yellow or green. What colour are

their hats?

1. How many hats are there on the table?

A. three

B. four    

C. five  

D. six

2. _____ hat is green.

A. Mike's

B. Bill's

C. Tom's

D. John's

3. Is Tom's hat white or green?

A. Yes, it is.

B. No, it isn't.  

C. It's white.    

D. It's green.

4. Is the yellow hat John's or Tom's?

A. It's John's.

B. It's Tom's.

C. It's Mike's.

D. It's Bill's.

5. What's the colour of Mike's hat?

A. white

B. green

C. yellow

D. red