the boy is piaying backetball否定句一般疑问句,肯定回答和否定回答.还有划线提问划在play...backet

问题描述:

the boy is piaying backetball否定句一般疑问句,肯定回答和否定回答.还有划线提问划在play...backet

1.否定句:The boy isn't playing basketball.
2.一般疑问句:Is the boy playing basketball?
3.肯定回答:Yes,he is.
4.否定回答:No,he isn't.
5.下划线提问:What is the boy doing?