This machine_____ .It hasn’t worked for years.
| A．didn’t work | B．wasn’t working | C．doesn’t work | D．isn’t working |
The lecture was going well until the projector(幻灯机) ______ and put the professor off his stride.
| A．broke down | B．broke up | C．broke away | D．broke off |
However, ___________ the technological difficulties of preparation, this material affords a further wide field of application(用途).
| A．rather than | B．rather too | C．apart from | D．apart with |
Anger and hatred boiled within her, but she forced herself to _______ the smiling face that people had always seen.
| A．preserve | B．handle | C．infect | D．fold |
Whenever they were busy with their own business, Sam, feeling _________, would go out for a walk or a cigarette.
| A．kept off | B．cut off | C．left out | D．at ease |
The audience rose, and loud cheers greeted the _________ of this speech.
| A．ease | B．rank | C．outbreak | D．conclusion |