—What do you think made Tina so delighted？  —__________ the driving test at her first try.

The operation I had   just two months ago and now I have fully recovered．

______ by Ren Changxia's deeds, many young girls want to be a policewoman in the future.

After half a year’s training, they were made entirely used   ____     underwater.

 I think that’s the only way we can think of ______ the math problem.