________ he is a child, ______ he knows much about the computer.

A: _____is Mary?B: I think she is at home．

Can you tell me something about Chinese tradition? — Yes, in this animal year people in China like _______themselves in red.

Could you ___ us ___some information about all kinds of vacations?

Who’s the man over there?Is it Mr. Black?——It______be him. He’s much taller.