用括号中所给单词的适当形式填空
They are trying their best (study) English well
It is difficult (answer) this question
There are six___ __ (sheep) in his family.
My parents often make me (sweep) the floor
Would you mind_________ _ (open)the windows?
A lot of__ _ (visit) visited our school last year.
We all think Jet Lee is a _________ _ (success) actor.
_________ _ (thank)for your help. I can buy the train ticket.
My parents don’t allow me ____________(stay) out late.
Nerther of us ________________(be)in the classroom now.