题目内容：

把下列单数句子变为复数句子/复数句子变为单数句子.
1 is it an English book?
2 He is a good boy
3 Thoes are eggs?
4 Are they Chinese cars?

优质解答

1.Are they English books?
2.They are good boys.
3.That is an egg?
4.Is it a Chinese car?