用所给动词的适当形式填空。

1. Look! The girls ______ (write) on the wall.

2. Would you like something ______ (eat)?

3. Don't ______ (stand) behind the wall!

4. I want ______ (take) some books to the classroom.

5. Lucy is running. Lily ______ (not run).

6. There ______ (be) a football and two flowers on the table.

7. Let the boy______ (watch) TV.

8. What can you ______ (see) in the picture?

9.  ______ the old woman ______ (drink) tea now?

10. You must ______ (look) after your things.

505E上进行汽轮机的停机有几种方式：（）

A.1

B.2

C.3