Being able to speak another language fluently could be a great ___when you are looking for a job. 

An old friend of mine called me up this morning,but he refused to tell me his present ________.

Pigeon is often considered a（n）________ of peace.

After three years’ study, Jane got a ________ for teaching English.

Miss Gao couldn’t carry the heavy box because she is a woman without great ________.