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Mostparentsencouragetheirchildrentotakeanactivepartinsocialevents,thoseeventsdonotinterferewiththeirstudies.[]A.concerningB.untilC.unlessD.provided

题目详情
Most parents encourage their children to take an active part in social events, _____ those events do not
interfere with their studies.
[     ]
A. concerning
B. until
C. unless
D. provided
▼优质解答
答案和解析
D