My brother is good maths.[ ]

What do you think of “Where are we going ,dad”, Mum?—Perfect! Though I have seen it once, I want to see it _____ time.

I am too busy to listen to her ______ talking. She has talked for about two hours.

Good evening. I _______ to see Miss Lisa.—Oh, good evening. I’m sorry, but she is not in.

The question is too hard to understand. —Why _______ ask the teacher? [ ]