________ of his son’s safety, the father turned off the light and went to bed.
| A．Being convinced | B．Convincing |
| C．Convinced | D．Having convinced |
—Is there a fog in the evening?—There _______ be. I’ll make a phone call to find it out.
| A．must | B．would | C．will | D．might |
—Is there any flight to Tokyo today?— I think there _____, for the weather is too bad.
| A．mustn’t be | B．mightn’t be | C．needn’t be | D．can’t be |
—We need a person badly to think up such an idea.—_______ the new comer have a try?
| A．Shall | B．May | C．Should | D．Need |
Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
| A．might | B．should | C．can | D．will |
I’ve tried several times, but the car just _______.
| A．doesn’t start | B．wouldn’t start | C．won’t start | D．didn’t start |