______ , or you won't do well in your lessons.
OK.I will. ( )
A.Don't work hardB.Work hard
C.Hard work
The Smiths ______ many places of interest since two years ago.( )
A.visitB.have visited
C.visited
How _______ your school trip yesterday?great.( )
A.will beB.isC.was
which would you like,tea_______ milk?Tea,please.( )
A.andB.orC.but
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