He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
A. must have gone to B. can’t have gone to
C. mustn’t have been to D. can’t have been to
—Why didn’t you attend the lecture yesterday?
—I didn’t think that we _______ on Sundays.
A. should B. ought to have C. shouldn’t have D. will have to
—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
