One possibility is that tears get rid of certain chemicals from your body _____ build up during stress.

How long may I keep the book —You ________ keep it for two weeks.

It was difficult to tell whether he could __________　our team and work for us for that situation?

______ is no possibility _____ Jack will win the first place in the competition

38. ——Over 100 students took part in the First Siyuan Star English Proficiency Competition in Tuanfeng in May,2016.——It’s reported that twelve students ______ to visit Hong Kong Disneyland for free this summer