Luo Yang devoted all his life _________for China Nation Aviation(中国航天).

Something is wrong with my MP4. I will get it ___________ .

During her visit to Paris, Mrs. Ma really enjoyed _____.

Children under sixteen are not permitted to participate in such kind of activities _____ bad for their mental development.

What do you think of the film “Life of Pi”?—I think it’s _______ ,but someone thinks it’s __________ .