– Why you didn’t handed in your exercise paper?
–Sorry, but I ____ that it should be turned in today.
A．didn’t know B．hadn’t known
C．haven’t known D．don’t know
—How is the debate of your essay?
—It ____ well, but I ____one of the key points.
A．might work; hadn’t forgot B．needn’t have worked; forgot
C．could have worked; forgot D．would work; hadn’t forgot
–When can I get the result of the test, sir?
–You ____ have it next Friday.
A．could B．shall C．must D．may
No words can ____ his feelings when the money dropping on the street was sent back to him.
A．control B．convey C．exchange D．affect
The problem may not____, but there's no harm to be careful.
A．arise B．reduce C．increase D．rise
This is really a good birthday gift for a young girl, ____at a proper price but fashionable.
A．one B．anyone C．that D．everything
