In some cities the traffic police use computers to keep the traffic________smoothly.
| A．being run | B．run | C．to run | D．running |
---I’m sorry to keep you waiting. I’ll make short work of this.
--- ____________. I’m not in a hurry.
| A．Take it easy | B．Take your time | C．Not at all. | D．Do as you like. |
Last year my old college friend Melissa _________ her family business, a company supplying metal boxes to other factories.
| A．took up | B．took down | C．took off | D．took over |
If a person takes drugs, they will slow down his thinking and ________ turn off his brain.
| A．eventually | B．certainly | C．actually | D．hopefully |
According to the school rules, if a student _________ happen to damage something by accident,he/she should report it to a teacher or the office immediately.
| A．should | B．will | C．shall | D．would |
It was not long _____ he was born that his mother died of illness.
| A．before | B．when | C．that | D．after |