The government placed _____ on the numbers of foreign cars that could be imported.
| A．limitations | B．restraint | C．requirements | D．restrictions |
You'd better check the train schedule______ .we have to take a train to Chengdu.
| A．even if | B．as if |
| C．incase | D．as long as |
For some students, professional training might be the way to go since well-developed skills, _______ , can be the difference between having a job and not.
| A．all other factors are equal |
| B．all other factors to be equal |
| C．all other factors being equal |
| D．if all other factors being equal |
After ________seemed an endless wait, it was his turn to enter the personnel manager's office.
| A．that | B．it | C．what | D．there |
Hardly ______ when I regretted saying it.
| A．had the word come out | B．did the word come out |
| C．the word had come out | D．the word came out |
As is reported, it is 115 years______Peking University was founded.
| A．when | B．before | C．after | D．since |