There is a new problem________in the popularity of private cars that road conditions need improving.
| A．involved | B．to involve |
| C．involving | D．being involved |
Under the environment of fierce competition, the only way John could imagine ________ stress was to get tougher by making greater efforts.
| A．handling | B．to handle |
| C．handled | D．having handled |
—Was it George who telephoned?
—No. A man ________ himself Peter.
| A．called | B．was called |
| C．calling | D．to call |
Mr. Johnson, ________ as a manager for many years, found it hard to be an ordinary clerk again.
| A．having worked | B．worked |
| C．to have worked | D．working |
________ little such material left, they decided to hold a meeting to discuss what ________.
| A．There was; was done | B．Being; to be done |
| C．Having; to do | D．With; was done |
—I regret ________ you that your application has not been successful.
—Not successful? I performed pretty well in my interview!
| A．informing | B．to inform |
| C．having informed | D．to have informed |