If __________ to look after luggage for someone else, inform the police at once.
| A．asked |
| B．to ask |
| C．asking |
| D．having asked |
All the doctors in the hospital insisted that he ____ badly wounded and that he _____ at once.
| A．should be; be operated on | B．was; must be operated on |
| C．be; was operated on | D．was; be operated on |
One should remain ______ and think of ways to escape when facing danger.
| A．quiet | B．calm |
| C．still | D．silent |
Every minute should be made use of_______ for the coming exam.
| A．preparing | B．to prepare |
| C．prepared | D．prepares |
We all like the park _______ we visited last week.
| A．where | B．which |
| C．in which | D．what |
He said that his car ______ stolen and he _______ have to telephone the police.
| A．was; would | B．has been; will |
| C．had been; would | D．had been; will |