单项选择题

The implementation of the legislation was delayed ______ some of them to acquire qualifications.

A. having enabled
B. to have enabled
C. enabling
D. to enable
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单项选择题
Their strengths are that they will have drive and self-confidence, and the weaknesses, they're intolerant towards ______ ideas and people.
A. obscure
B. dim
C. ambiguous
D. vague
单项选择题
Art criticism seems more likely to remain in the shadows, out of the ______ of academic controversy.
A. flashlight
B. sunlight
C. candlelight
D. spotlight
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