Can I go swimming,Mom?
Certainly.But you ____ be back by four.( )
can
may
might
must
Peter, would you like to go shopping with me?
I'd love to,_____I have to finish my homework first.( )
so
and
but
Hello, John. This is Mike. What are you doing now?
I'm watching a film on TV. It_____at 7:30 and will be on for another hour.( )
starts
started
has started
_____we leave the library before 5 o'clock?
No, you needn't. You can stay here until 5:30.( )
Must
May
Can
Jack, can you swim_____the river?
I don't think I can. It's too wide for me.( )
over
across
through
Your idea _____ good. Let's give it a try and see if it will work.( )
sounds
smells
looks