He is believed____________ in at his office on his way home.
| A．dropping | B．to have dropped |
| C．having dropped | D．to be dropped |
—I hear you have written a novel.—Yes, the book ________ be out in a month or so.
| A．can | B．dare | C．should | D．need |
—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 |