I. 从Ａ、Ｂ、Ｃ、Ｄ四个选项中选择最佳答案。(每小题1分，共15分)
( ) 21. — Where are my books?
— ____________________
A. They are red.
B. Yes, they are.
C. I don’t like them.
D. They are on the table.
( ) 22. Bread and carrots are ______.
A. fruit B. salad
C. vegetables D. dinner
( ) 23. — Is the notebook in your schoolbag?
— ____________. It is on my bed.
A. Yes, it is B. No, it isn’t
C. It is not a notebook D. No, it is a pen
