He______be in the classroom,I think.
No,he____be in the classroom.I saw him go home a minute ago.( )
A.can; may notB.must; may not
C.may; mustn'tD.may; can't
By the time the teacher came, we ______ cleaning the classroom.( )
finished
have finished
had finished
_____ walk on the grass.( )
Doesn't
Don't
Not
The coat looks very nice. Can I _____?( )
try it on
try on it
try them on
We all like comedies _____ make us relaxed.( )
who
that
whom
Listen to me _____, or you can't follow me.( )
care
careful
carefully