推荐回答（4个）
解人之难，何乐不为？
1. They came to China in 1990.(变一般疑问句) ____Did______ they ___come_____ to China in 1990?
2. I was ill for two days last week? (同上) ___Were_____ you ill for two days last week?
3. The twins go to school on foot every day. (同上) ____Do_____ the twins ___go____ to school on foot every day?
4. She washed the clothes last Sunday. ( 变否定句) She ___didn't______ ____wash____ the clothes last Sunday.
5. She is going to shopping tomorrow. (变否定句)
____She isn't going to shopping tomorrow.
6. My mother likes her students. (变一般疑问句)
Does your mother like her students?
7. Do you watch TV on Sunday? (用last Sunday
Did you watch TV last Sunday?
1. Did, come
2.Were
3.Do, go
4.did'nt, wash
5.She is not going to go shopping tommow.（少了个go)
6.Does your mother like her students?
7.Did you watch TV last Sunday?
1.Did,come
2.Were
3.Do,go
4.didn't wash
5.She is not going to shopping tomorrow.（亲，不该有to，是不是抄错了？）
6.Does your mother like her students?
7. Did you watch TV last Sunday?
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