词形变换。
1. We all know the boy ________(call) Robinson.
2. Please make the plan before you start________________(write).
3. ____________(plan) ahead can help you do better.
4. What_________ you ___________(do) now?
5. I'll finish my homework during the_____________(one) week of my holiday.
6. I don't know how___________ (have ) fun.
7. Li Qiang is _____________(well) at sport in his school.
8. ___________Your father____________(work) in the factory? Yes, he does.
9. They _____________(not clean) their room often.
10. We all like him. He is polite and_____________(help).
