问题描述：
根据句子后面括号内的提示,改变下列句子的句型.每小题2分)
根据句子后面括号内的提示,改变下列句子的句型
1.I was watching TV at home yesterday evening.（改为一般疑问句）
2.They are playing basketball on playground now.,（改为否定句）
3.We were hiking at Wutong Mountain yesterday afternoon.（改为一般疑问句
4.He was having a bath when the telephone rang last night.（改为否定句）
5.She was having dinner when someone knocked at the door.（改为一般疑问句）
根据句子后面括号内的提示,改变下列句子的句型
1.I was watching TV at home yesterday evening.（改为一般疑问句）
2.They are playing basketball on playground now.,（改为否定句）
3.We were hiking at Wutong Mountain yesterday afternoon.（改为一般疑问句
4.He was having a bath when the telephone rang last night.（改为否定句）
5.She was having dinner when someone knocked at the door.（改为一般疑问句）
问题解答：
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