---Where has Mary been? I haven't seen her all day?---Oh,in order not to be disturbed, she spent the whole day __in the study, ___ her report.
Mum,you really need to have a rest!You ________in the kitchen ever since you came back home three hours ago.
I have called the station and they told me the next train for Dalian ________at 3∶10.
Who do you think ________ for the accident?
—When did you move to Qionghai? —In 2009.But I ________in Haikou for many years.
We ________for cheap houses but haven’t found ________we like yet.