They have cleaned the classroom．（改为否定句）
They________ ________the classroom．
She’s been to Qingdao twice．（对画线部分提问）
________ ________ ________has she been to Qingdao？
Linda hasn’t been to Wuhan．I haven’t been there，either．（改为同义句）
Linda hasn’t been to Wuhan．________ ________．
Mary hasn’t been to Dalian．I haven’t been to Dalian，either．（改为同义句）
________Mary________I________been to Dalian．
在博物馆有那么多好看的东西。
There’s________ ________ ________to see in the museum．
这本字典比其他的字典贵很多。
This dictionary is more expensive than________ ________ ________．
