问题描述：
把下列句子变成复数句.
1：There is a bridge over the river.
2:Is there a harbor in your city?
3:There was a factory in our town.
4:Was there an orange in bag?
5:Where is an apple in my hand.
1：There is a bridge over the river.
2:Is there a harbor in your city?
3:There was a factory in our town.
4:Was there an orange in bag?
5:Where is an apple in my hand.
问题解答：
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