Kids have to take many after school classes. They _______ hard to study for good grades.( )
push
are pushed
are pushing
have pushed
Mrs.Jones ______________in the garden at this time yesterday.( )
worked
was working
has worked
_____it over,and you will be able to work out the problem.( )
Thinking
To think
Think
I like smart clothes ____are made of silk.( )
who
which
what
Please hurry up!The plane will _______________in half an hour.( )
take up
take after
take off
Only at that time ___________that he was wrong.( )
he realized
did he realize
he did realize