She has already tried her best. Please don’t be too ______ about her job.
| A．special | B．responsible |
| C．unusual | D．particular |
The shop manager always says to his assistants, "We can never be______customers.
| A．so | B．too | C．that | D．more |
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 |