I_______ my homework when the door bell__________.
A．did, rang B．was doing, was ringing
C．did, was ring D．was doing, rang
What are you busy doing, Sandy?
—— I’m making some flash cards _________ me remember English words.
A．help B．to help C．helping D．helped
Have you bought_________ for Linda’s birthday?
----Not exactly.Just some flowers.
A．something unusual B．anything unusual
C．unusual something D．unusual something
—Mr. Black, may I leave now?
—Well, if your work ________, you can go home.
A．finishes B．is finished C．has finished D．will be finished
____can we get to the airport? The plane to Guangzhou takes off at 3:00 p.m.
—Don’t worry. We will be there in ten minutes.
A．How long B．How soon C．How fast D．How often
The famous writer is so ________ that he never shows off.
A．modest B．patient C．confident D．stubborn
