He _______ have come here yesterday，but he didn't.

　　A. could　　B. should　　C. ought to　　D. all the above

梂ould you like some _______?

　　桸o，thank You.I'm not hungry at all.

　　A. tea　　 B. water　　 C. bread　　 D. coffee

梍____ late for the meeting next time．

　　桽orry，I won't．

　　A．Don't　　B．Don't be　　C．Won't be D．Be not

You'd better _____ to school late．

　　A．not to come B．don't to come C．not come D．don't come

Why do you keep _____ all the time?

　　A．to laugh　　B．laugh　　C．laughing　　D．laughed

We don't hurry because we have _____ time．

　　A．many　　B．plenty of　　C．lot of　　D．a(chǎn) lot of

December is the _____ month of the year．

　　A．twelve　　B．twelves　　C．twelfth　　D．twelfths

桵ust I return the books to the library now?

　　桸o，you _____．

　　A. mustn't　　B．needn't　　C．can't D．don't

Ask the policeman over there．He _____ know the way to the Science Museum．　　

　　A.has to　　B．could　　C．may　　D．need

I saw an old man _____ across the street．

　　A. walked　　B．walk　　C．to walk　　D．walking