–What do you think of Black Coal, Thin Ice?–It’s a good film.     , it is not suitable for teenagers.

I don’t think you study  _________. You should study  _____

Bob is good at all the subjects at school,               science.

 Amy makes fewer mistakes than Frank. She does her homework ________.

—Can I talk to you for a minute?　　         —Sure. I have ______ time.