—I am really struck by your spoken English. You speak so fluently. Have you been abroad.
—Yes, I ________ in London for two years．
A．have stayed B．stayed C．had stayed D．have been staying
Beethoven is my favorite musician. I regard him ______ other musicians.
A. more superior to B. more superior than C. superior to D. superior than
Teachers have to constantly update their knowledge in order to maintain their professional ____.
A. consequence B. independence C. competence D. intelligence
You must have read about Mark Twain long ago, ____?
A. mustn't you B. haven't you C. didn't you D. needn't you
Everyone doesn't agree to the plan. Some support it while I'm one of ___ opposed to it.
A. those who B. who C. those D. that
Tom, behave yourself! If you keep on doing that, you'll ____ in serious trouble.
A. shut up B. end up C. take up D. pick up
