Maintaining (维持) peace and stability of the South China Sea and the East China Sea will certainly ____ a more prosperous Asian-Pacific area.
He _______ speak to his mother like that. A ought not to B. doesn’t ought to C not ought to D ought to not
--- Isn’t that Jessica’s brother over there? --- No, it _______ be him. I’m sure he doesn’t wear glasses. A. can’t B. must not C won’t D may not
She was fired by the boss because she failed to ___________ for work on Monday. A. turn up B. turn down C. turn on D turn out
Great changes _________ in China in the last two decades.
We must set a limit __________ the expense of the trip.