Pressed from his parents, and ______ that he has wasted too much time, the boy is determined to stop playing video games.
I ______ have been more than six years old when the accident happened.
-Is there any flight to New York today?--I think there ____ be, for the weather is too bad.A mustn’t B may not C shouldn’t D can’t
Naturally, after I told her what to do, my daughter _____ go and do the opposite!
—I hear you have written a novel.—Yes, the book ________ be out in a month or so.
—Is there a fog in the evening?—There _______ be. I’ll make a phone call to find it out.