________some people criticize graffiti for being ugly and destructive, those graffiti lovers still see it as real art.
A. As B. While
C. Once D. Until
He messed the project up, but he behaved as if nothing __________.
A. had happened B. happened
C. would happen D. would have happened
When I was small, my mom ________read me stories at night.
A. could B. should
C. might D. would
Dream of the Red Chamber is believed to be semi-autobiographical, _______the fortunes of Cao’s own family.
A. mirrored B. to mirror
C. mirroring D. mirror
40 grams of meat per day is ______ people should consume in order to stay fit.
A. that B. why
C. how D. what
The stadium ________ stands a theatre will be reconstructed.
A. beside which B. for which
C. when D. which