Lawrence Craven, a doctor from the USA, is the author of several published reports, one of _______ introduced the idea in 1953 _______ aspirin could reduce the risk of heart attacks.
A．them; when B．which; that
C．what; that D．which; when
Many of the creatures in the movie “Avatar” are not real, but much of __________ happens is attractive.
A．what B．that C．which D．them
--It’s hard to believe that Jack ________ have fought with the policeman.
--Yes．If one ________ ask for trouble, it can’t be helped.
A．would; will B．must; may C．need; dare D．should; must
The English spoken in the United States is only slightly different from ____ spoken in England.
A．which B．what C．that D．the one
--Karen, can I talk to you for a minute?
--Sure, ________?
A．how come B．what’s up C．how’s that D．what for
The chairman will be pleased at ________ scene that everything is in ________ place.
A．a; a B．the; the C．the; 不填 D．不填; the
