The manager __________ the workers how to improve the program since 9 am.
| A．has told |
| B．is telling |
| C．has been telling |
| D．will have told |
Jack is late again.It is of him to keep others waiting.
| A．normal | B．typical | C．common | D．ordinary |
If I ______ about this computer program, a hage amount of time and energy would have been saved.
| A．know | B．knew | C．had known | D．have known |
It doesn’t ______ if you are late to my party. I just want you to come
| A．make a decision | B．make a choice |
| C．make a change | D．make a difference |
The man is notreliable, for he seems ______ frankness.
A to lack in B. to be lacking in C. to lack of D. to be lacking of
The best reporter was sent to the front to _______ the campaign.
| A．set | B．cover | C．settle | D．deal |