After years’ study with the help of Professor Henry Higgins, Eliza was able to________various levels of English usages, such as standard and substandard.
| A．indicate | B．differ | C．distinguish | D．mark |
Before the war broke out, many people ____ possessions they could not take with them.
| A．threw away | B．put away | C．gave away | D．carried away |
The young lady prefers dressing up for a party to ____ by others.
| A．be noticed | B．being noticed | C．having been noticed | D．have been noticed |
The dance performed by the disabled actors is really a hit, but years ago no one ____ they were to achieve such great success.
| A．must have imagined | B．could have imagined |
| C．should have imagined | D．would have imagined |
My mother is always warning me when I go out, “Don’t get off the bus ____ it is stopping.”
| A．until | B．before | C．while | D．after |
It was not until 1920 ___ regular radio broadcasts began.
| A．when | B．which | C．that | D．since |