一、用所给词的正确形式填空:
1. Now the students are busy ___________(prepare) for their exams.
2. Thank you for _________( listen ) to my problem.
3. She is not strong enough _____________( move ) the desk.
4. Our PE teacher told us what _________( do ) in the PE lesson.
5. If a problem _________( worry) you, you should share it with your friends.
6. Can you give me some ways _____________( work) out this problem?
7.__________( do ) sports is good for the students.
8. We will plant trees if it ____________( not rain) tomorrow.