（2014上海）John asked，“Can you look after my pet dog while I’m away？”（合成宾语从句）
John asked________I________look after his pet dog while he was away．
Has your brother finished his homework？（作肯定回答）
Yes，________ ________．
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．
