It has been announced that candidates _______ remain in their seats until all the papers have been collected.
| A．can | B．may | C．will | D．shall |
The US is about the same size as China, but its population is five times_ ___.
| A．as little | B．smaller | C．as few | D．fewer |
I’m glad to say that he’s already finished _____50% of the book in these three days.
| A．no less than | B．no more than | C．not more than | D．much less than |
_ ____, the boys were shouting and singing.
| A．Happy and excited | B．Happily and excitedly |
| C．To be happy and excited | D．To be happily and excitedly |
Exercise is _____as any other to lose unwanted weight.
| A．so useful a way | B．as a useful way | C．as useful a way | D．such a useful way |
—Do you think him naughty enough?
—I’m afraid he’s ___than naughty.
| A．more clever | B．clever | C．much clever | D．much more clever |