句型转换。
1. There are five books in my bag. (对画线部分提问)
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2. My sister often reads books in the evening. (对画线部分提问)
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3. Amy went to a park yesterday. (对画线部分提问)
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4. They bought some gifts for their new friends last Sunday. (变为一般疑问句，作否定回答)
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5. Sarah usually goes to school by bike. (变为否定句)
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1. How many books are there in your bag?
2. What does your sister often do in the evening?
3. When did Amy go to a park?
4. Did they buy any gifts for their new friends last Sunday? No, they didn't. (答案不唯一)
5. Sarah doesn't usually go to school by bike.