---- Look! A man is cutting a tree on the moon.----It ______ be true. The teacher said there is no air on the moon.
---Who cleaned the blackboard yesterday, Dick? ---John ____.
Although they are twins, they have nothing ____ common.
My sister is _____ more athletic than me.
The film is interesting. I think _____people like it.
Your sweater looks smart. Where ___ you ___ it?