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)

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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)

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.