—You are always full of ____. Can you tell me the secret? —Taking plenty of exercise every day.

A U.N. peace-keeping _______ was sent to that country and the soldiers would devote all their _______ to their job.

(2014·德州模拟)You’d better take into account your own________and weaknesses before choosing a major.

She got into a(n) _____when she thought she'd forgotten doing homework. 

The new teacher made a good ____ on the students by her rich knowledge and humorous talk.