Were working______the clock to accomplish the proposal before Tuesday.
A. after
B. before
C. against
D. forward
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Nowadays teenagers are not______to stand and appreciate works of art; they prefer to participate in them.
A. content
B. controversial
C. confident
D. conspicuous
为便于中央对地方直接严密控制,秦始皇实行了郡、县、乡、里四级行政组织。()