动词时态综合题用所给动词的适当形式填空1. He often_ (wash)his clothes on Sundays.2. Im Chinese. Where _ you _(come) from?3. Mary never _(walk) to school.4. We will start as soon as out teacher _(come).5. How long ago _you _(stop) playing football?6. It _(rain) hard when I left my house.7. I think this question _(easy) to answer.8. Dont talk so loudly. Your father_(sleep).9. How many people does the doc