Cathy is American. She is teaching us English in China now.（　　）

A．aB．anC．theD．/

The library is______ from the post office. You won't miss it.（　　）

A．inB．besideC．behindD．across

There is on the table. Would you like to drink？（　　）

A．milkB．beefC．breadD．pizza

Tony， is that Mr. Black over there？

I knew that he had gone to England. It be him.（　　）

A．mightB．couldC．can'tD．must

My sister has friends. She often feels lonely.（　　）

A．fewB．littleC．a fewD．a little