--What would you do if you ____ a million dollars?--I’d give it to the charity

There were no other houses beyond her garden, ________ made it seem like her house lay at the end of the world.

－How do you usually find out about new software?－In the magazines like Popular Electronics. That’s______computer companies usually advertise.

You can only be sure of _______ you have at present; you cannot be sure of something _______ you might get in the future.

—The experiment is of particular importance.　　　　—I see. We will carry on with it ________ we can get enough money.