题目内容：

1.These are biue bags.2.Those are white dogs.3.They are yellow caps.4.These girls are nice.分别做出
肯定与否定回答.

优质解答

1.Are these blue bags?Yes,they are.No,they aren't.2.Are those white dogs?Yes,they are.No,they aren't.3.Are they yellow caps?Yes,they are.No,they aren't.4.Are these girls nice?Yes,they are.No,they aren...