—Look, the paint is starting to come off ______ the wall is damp.—Well, we’d better have the wall repainted some day.
---Hello, Golden Bay Resort,Can I help you ? --- Do you have a room _______ for this weekend?
My MP4 has disappeared. Who _______ have taken it away?
The government has taken some measures to solve the shortage of electricity, but it may be some time ______ the situation improves.
He reminded me that the poor weather may have ___ the small crowd.
I have no idea ___ David is in trouble, he will turn to you for help.