用所给动词的适当形式填空。 1. It's time _ (have)lunch. 2. Can you _ (jump) very high? 3. I want _ (go) and play football. 4. Jim and Bill ___ (talk)in the room now. 5. What's in the _ (mother) room? 6. There are some _ (apple) on the desk. 7. Is _ _ (we) toys under the desk? 8. There _ _ (be) a picture of my father in my bag. 9. The boy often _ (play)tennis here. 10. Let (we) help you find it.