As the New Year opens, let us ask what ____ of us can do to create safe communities.
| A．each | B．every | C．neither | D．none |
Why didn't you tell me there was no meeting today? I______ all the way here through the heavy snow.
| A．needn't have driven | B．can't have driven |
| C．mustn't have driven | D．shouldn't have driven |
--I hope he won't get ill during the examinations.
--___________ . He has been very well recently.
| A．Certainly | B．No | C．Not | D．Yes |
He must have attended the meeting yesterday,___________ he?
| A．didn't | B．mustn't | C．needn't | D．hasn't |
I was really too busy with my homework and I couldn't help ____________ housework.
| A．doing | B．do | C．did | D．done |
Mary is one of the brightest students who_________ from New York University.
| A．is graduated | B．have graduated |
| C．has graduated | D．are graduated |