--- Hurry up. The bus is coming.
--- Oh, no. We mustn’t cross the street the traffic lights are green.
| A．until | B．since | C．while | D．after |
After the former manager returned from abroad, our company _______ and the production doubled.
| A．came to life | B．came back life |
| C．recovered to life | D．returned to life |
If you ______ Mary, ask her to come and see me.
| A．lose sight of | B．catch sight of |
| C．are in the sight of | D．are at the sight of |
The machine is so advanced that it will start ______ you press the button.
| A．constantly | B．cautiously |
| C．instantly | D．severely |
What _______ the doctors most was that they could not find the cause of the strange disease.
| A．enjoyed | B．puzzled |
| C．charged | D．promised |
It is ________ that Arthur gave back the money he found.
| A．greatly to one’s credit |
| B．for his great credit |
| C．greatly to his credit |
| D．for one’s great credit |