My father is busy _____ the moment. [ ]
What do you think of “Where are we going ,dad”, Mum?—Perfect! Though I have seen it once, I want to see it _____ time.
What_____just now?
_____ the age of the thirty, Lily went to Australia to look for a job. [ ]
Helen is my friend. She is in ______ at Beijing No.11Middle School.