新目标九年级下Unit13 Section A(grammar focus-4c)同步练习含答案
1. Have you ever (take) part in an environmental club?
9. The old man can't afford (pay) for the new computer at all.
3. The students in this school made the garden a place for (science) experiments.
4. It is difficult for parents with young children to use the public (transport).
5. The Clean-Up-Day is regarded as the (big) project in our school.