--What kind of persons do you prefer to make friends with?--I choose my friends on their characters and how we _______.
There is ______ "f" and ______"u" in the word "four".
—What class are you in? —I’m in .
—, where’s the zoo, please? —, I don’t know.
__________ sweaters look the same.
My friend is ____ English. But he can ______ Chinese well.