Mike, whose ambition is to become a network engineer, was always ______from other boys by his programming ability.   

Harry telephoned to the airport to______ whether Flight 24 for San Francisco is departing on time.

—Will you be ______ this evening, Mary?
—That depends. I am afraid I will be with my manager discussing a plan.

Children who are spoiled by their parents are more _____ than others —they are more likely to fight with their fellows for toys and candies.

Some people say that Mars should be protected as a wildlife reserve where we do everything possible to avoid pollution, on the _______ that life could exist on it.

Whoever is never ______ with the progress he has made will be a success.

Only then did I realize that it was foolish to ___ my friends and never contact them.

She is a woman of strong ______ and we all believe she will be a good leader.

Have you thought about the problem from every________？You can never be too careful!

I’m not sure how much scholarship you will receive, but it will roughly ___ your major expenses.