用括号里词的正确形式填空

1. Why not _______ (go) shopping together?

2. Would you please ______ (close) the window?

3. If you _______ (finish) _______ (do) your homework we can go to a movie tonight.

4. I can help you ________ (solve) the problem.    

5. Would you mind not _______ (play) games here ?