用情态动词、助动词填空.

题目

用情态动词、助动词填空.
He is strong that he__________lift the box easily.
I__________look after the boy because he is too young.
Mr.Smith__________(not) be in his bedroom.He__________be in his office,because he phoned me just now.
__________we go swimming in this river this afternoon?
Lots of people went to see the film,so I think it__________be very interesting.
I__________go climbing with them,but I'm not sure yet.
You__________(not) throw the paper about.You should keep the room clean and tidy.
A computer__________(not)think for itself.It must be told what to do.
I__________(not)find the way to the hospital.__________you show me the way?
It's time for class.You__________stop playing football or you__________be late for class.

答案

can
should
can't must
shall
should
may
could't
can't
can't could
should will