用所给词的正确形式填空。

1.What should ________ (tour) take with them?

2. My sister _________ (send) me a lot of beautiful ________ (postcard) last week.

3. They ________ (leave) Panzhihua for Shanghai two days ago.

    They ________ (come) back in five days.

4. Mike ________ (ride) his bicycle to school yesterday, but Tom ________ (run).

5. I'm sorry I ________ (forget) ________ (bring) my homework here.

6. I remember _________ (close) the door, why is it open at the moment?

7. He _________ (not be) at school last night.