Complete the sentenes.  Use can ,can't must ,mustn't.  1)Can you hear anything ? - no, I .............2) it's dangerous.  Matt ........... be careful.  3) they ............ walk there in ten minutes.It isn't far.4) It's late.  ...

Complete the sentenes.  Use can ,can't must ,mustn't.   1)Can you hear anything ? - no, I ............. 2) it's dangerous.  Matt ........... be careful.   3) they ............ walk there in ten minutes.It isn't far. 4) It's late.  She .......go to bed.    5) I ..........move my arm. I think it's broken .  6) ..............we stay at the Youth Hostel?-Yes,you can.   7) You..........talk.Be quite! 8) Ben wants to go skateboarding but he .........find his skateboard.