单项选择题
A.demand B.ask C.press D.seek
21()A.sitB.seatC.are satD.are seated
单项选择题21()
A.sit B.seat C.are sat D.are seated
She decided to give herself ______ the police. ...
单项选择题She decided to give herself ______ the police. ( )
It must have rained last night, ______ the ground is we...
单项选择题It must have rained last night, ______ the ground is wet. ( )