1 I an OK .(该改为一般疑问句,并作否定回答）
2 The pancil is black(同上）
3 These are my sisters.(同上）
4 Guo peng is my beother.(同上）
5 They are on the sofa.(同上）
人气：166 ℃ 时间：2019-08-16 19:54:26
解答
1.Are you OK?No,I'm not.2.Is the pencil black?No,it isn't.3.Are these your sisters?No,they aren't.4.Is Guopeng your brother?No,he isn't.5.Are they on the sofa?No,they aren't.
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