She had an advantage over others because she had a good ________ of both Chinese and English.
| A．command | B．feeling | C．ability | D．program |
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 |
---I apologized for_____ to tell you when and where the meeting will be held in advance.
| A．my being not able | B．me not to be able |
| C．my not being able | D．me to be not able |