The clock was striking twelve ______ down the street.
| A．because I walked | B．as I walked |
| C．since I was walking | D．while I was walking |
---What made you so angry?
| A．Mary’s leaving, instead of | B．Mary’s left, instead of |
| C．Mary’s leaving, without | D．Mary”s leaving, instead |
I went to bed early _____ the sleep lost last night.
| A．to make up | B．gaining back | C．making up | D．to gain |
After the bell rings, which indicates the ending of the exam, you_____ stay ____ you are until all your papers are collected.
| A．shall, where | B．would, where | C．will, in which | D．can, what |
Doing morning exercises _____ our health and we _____it.
| A．benefit to, benefit | B．benefits, benefit from |
| C．benefits from, benefit | D．benefit, are benefited from |
The plan _____ by the Chinese government ____ rejuvenating the nation by relying on science.
| A．put forward, aimed at | B．was put forward, aiming at |
| C．put forward, was aimed at | D．put forward, aiming at |