They have to clean the classroom after school.(对划线部分提问)
——————————What do they have to do after school?2 I have to be in bed by nine o'clock.3。--What are yo...
1--They have to clean the classroom after school.(对划线部分提问)
——————————提问:What do they have to do after school?2 be,I,have,to,bed,by,in,o'clock,nine(连词成句)I have...