The twins may look the same _____ each other, but they are different ______ many ways.
You can come to see me ________ you like.
Many ________ are helping look for the lost boy.
The book belongs ________ Tim.
We went to Hainan Island on May Day and had great fun ________ in the sea.
Our English teacher is very strict _____us and he is strict_______his teaching.