All people, ______ they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
| A．even if | B．whether |
| C．no matter | D．however |
Mr. Smith__________ the roll of film as soon as he arrived home
| A．got down to wash | B．got down to develop |
| C．got down to washing | D．got down to developing |
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 |