---I think he lives _____ No.386 West St. ---Are you sure _____ that? You’d better make sure.
The number of the books in our library _________ about 20,000.
------- ______________? ------She is slim and beautiful.
Time seems ______ when we are playing computer games.
David often helps Sandy ___ her Maths, he also shares his school things ___ her.
My best friend Jack looks happy, and he always ________ a smile ________ his face.