Fish can't live ___ water.( )
with
in
without
of
Is tom coming by train?He ______drive his car,I'm not sure.( )
A.can'tB.mayC.must
_______ Children's Day,all the children are very happy.( )
A.toB.InC.On
What were you doing when I phoned you yesterday evening?
I _______ my homework.( )
A.was doingB.have doneC.did
Fifty yuan ________ enough.( )
A.isB.amC.are
My teacher asked me ________ the room.( )
A.cleanB.cleansC.to clean