1. There are five boats in the river. (對劃線部分提問)
______________ ______________ boats ______________ ______________ in the river?
2. It's three thirty now. (對劃線部分提問)
 ______________ ______________ ______________ now?
3. This is a bus. (改為復(fù)數(shù)句子)
______________ are ______________.
4. Jenny walks to school. (改為一般過去時(shí))
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5. Jenny goes shopping with her mother. (改為一般將來時(shí)加tomorrow)
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