The first aid work ___ three parts, of which saving the people’s lives is the most important one.
| A．makes up of |
| B．consists of |
| C．is separated from |
| D．divides into |
The new machine，if _________ properly，will work at least ten years.
| A．use | B．using | C．being used | D．used |
—What were you doing when the telephone rang?
—I ______ away my books and ______ to bed.
| A．had just put;was going | B．was just putting;went |
| C．just put;had gone | D．have just put;gone |
I thought Jim would say something about his school report,but he ______ it.
| A．doesn’t mention | B．hadn’t mentioned | C．didn’t mention | D．hasn’t mentioned |
We found______ impossible to finish the work on time.
| A．that | B．one | C．it | D．this |
John received an invitation to a dinner, and with his work____, he gladly accepted it.
| A．finished | B．finishing | C．to finish | D．was finished |