We have been excavating layers of ash almost six metres thick, which suggests that they________the fire burning all winter.
A. should keep B. might have kept C. should have kept D. might keep
Only in 1996 the determination and patience of the scientists with a breakthrough at last .
A. were ; paid off B. did; pay back C. did ; pay off D. did ; pay for
Mr Smith was made headmaster of our school by majority of 300 votes.
A. the ; a B. the ; the C. / ; a D. a ; the
—Would she mind playing against her former teammates?
— . She is willing to play against any tough players.
A．I think so B．I’m not surprised C．Of course D．Not likely
-- How are things with you, Bill?
-- ______________ .
A. You are welcome. B. That’s very kind of you.
C. I am terribly busy these days. D. I am glad to meet you here.
There are many people _______ behave so well all time _______they are respected
by everyone around.
A. that; who B. who; that C. who; which D. that; when
