—It’s time       home.—OK. Let’s go.

--- Excuse me, could you tell me how ______ to Beijing Zoo?　　--- Well, you may take Bus No.27.

March is a Civility month(文明礼貌月) in China. More and more young people are trying to do all they can ________ the elderly.

It is important for us ________English well.

Would you mind ______ louder?  I can’t hear you clearly.