...一般疑问句,并作出简要的肯定回答和否定回答。 This is my son...答:1】is this your son?yes,he is /no,he is not 2】is that his sister?yes,she is/no,she isn't 3】is she your good friend?yes,she is/no,she isn't 4】are these nice pictures?yes,they are /no,they aren't 5】is this a middle school?yes it is /no ,it isn't 要...