初中各时态专项练习现在进行时练习按要求改写句子1.The boy is playing basketball.否定句:_一般疑问句:_肯定回答:_否定回答:_对“is playing basketball”提问:_对“ The boy”提问:_II.单项选择( )3.Is the woman _ yellow your teacher? (A)in (B)putting on (C)wearing (D)having( )4.Look!The twins_their mother do the housework. (A)are wanting