那时我正在等公交车……
What　are　you　waiting　for　at　that　time?the boy was playing over there at six yesterday一般疑问句怎么改？是，否回答。、、划线的是at six yesterday根据划线提问Was the boy playing over there at six yesterday?Yes,he was/No,he wasn't.一般疑问呢？Lucy was helping her mother this time on sunday改为反意疑问句：对划线部分提问（划线的是her mother )对划线部分提问：