Are you free tonight?
Sorry,but I'm not .I've got so much homework to do ( )
A.busyB.comfortable
C.available
This is the best book I have ever read.I like it very much.( )
which
that
who
when
It's nice to see you again.We each other since 2016.( )
won't see
haven't seen
don't see
didn't see
There some students on the playground.( )
is
have
has
are
have you felt like this?
Three days.( )
How long
How often
How much
How many
Must I finish the homework this morning?
( )
No,you mustn't
No,you can't
No,you may not
No,you needn't