_____you think _____ the movie？[ ]

All the clerks went home _____ Mr Wang. Why? —Because he had to finish his work. [ ]

Remember this: ________ careful you are, ________ mistakes you will make.— We know, Miss Gao.

By the first day of August, 2007, the PLA has its ______ birthday.

The lady _________ dancing as a hobby in her sixties, and she is really good at it now.