Martin Murray used to be afraid of ______ alone. —-But now he realizes that his mother is always there for him.

The way he thought of _________ living is to work for them.

ou mind my opening the window It’s a bit hot in here ——, as a matter of fact

We should do ____ to stop sandstorms（沙尘暴）from happening again andagain.

The shop manager always says to his assistants, “We can never be______customers