――How many children are there in your family ?――So many there used to be, but now I am_______ an only child.
School life in Britain is _________ that in America.
Last Sunday I had a good time _________volleyball with my frind Alan.
I bought two teddy bears. One is for my sister, ________ is for my friend Tom.
Let me _________ it.
I’m thirsty. I want to buy something _________.