单项选择题
A.people can do what B.can people do what C.people can not do what D.can‘t people do what
--We want to sit at the table near the window. -- I‘m s...
单项选择题--We want to sit at the table near the window. -- I‘m sorry, but（）already.
A.it took B.it takes C.it is being taken D.it has been taken
The boy（）to school already.A.has takenB.has been taking...
单项选择题The boy（）to school already.
A.has taken B.has been taking C.is taken D.has been taken
It's not safe（）in the street.A.playedB.playC.playingD.p...
单项选择题It's not safe（）in the street.
A.played B.play C.playing D.plays
