In this university a medal with ten thousand dollars ________gains success in science and technology every two years .
We will have more money to spend after we ____ our mortgage (贷款).
It’s hard to finish the work in a day. You’d better ____ your friends to help you.
He is strict with himself in the work, so the manager ____ him a lot.
You should ____ for the party, for it’s a good chance for you.
It’s not bad manners to play a trick ____ your friend on April Fool’s Day.