Peter is my best friend. He often helps ______ with science.

She started her QQ chatting last month, which made ______ quite interested in such communication. 

Gradually, you will realize that the things that matter are __________ that can’t be bought with money. 

I like _____ when I am with people like Mr. Smith, who has a good sense of humor. 

--- Is your mother badly ill?---NO,              ,only a little cold