把下列句子改成单数句或复数句
1.This is a tiger.
2.Those are eggs.
3.Is it a bottle?
4.Are these mice?
5.There is a sheep on the hill.
人气：322 ℃ 时间：2020-03-24 23:19:04
解答
1.These are tigers.
2.This is a egg.
3.Are they bottles?
4.Is this mouse?
5.There are sheep on the hill.
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