题目内容：

This is Mike’s classroom. There are thirty    .There is a clock on the wall.      clock is very old. There are thirty students: eighteen boys and twelve girls. Miss Wang is their teacher. She is a good teacher. It’s about 4 o’clock. It’s time       home. Look      Mike! He is behind the       . And the door is clean.

1.A. desk and chair    B. desks and chairs   C. desks and chair       D. desk and chairs

2.A. A              B. An              C. The                 D. /

3.A. going to         B. will go           C. to go               D. goes

4.A. /               B. in               C. to                  D. at

5.A. door            B. floor             C. school              D. flowers