Can, Could, May and Might Exercise Use one of the modal verbs in brackets to fill each gap.

Can, Could, May and Might Exercise
Example gap-fill questions:
Use one of the modal verbs in brackets to fill each gap.
1 They (can/might)________________ be away for the weekend but I'm not sure.
2 You (may/might)________________ leave now if you wish.
3 (Could/May)________________ you open the window a bit, please?