问题
选择题
Most of the children can work out the problem, so it should be quite _____ to adults. [ ]
A. patient
B. plain
C. familiar
D. lucky
答案
答案：B
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Most of the children can work out the problem, so it should be quite _____ to adults. [ ]
A. patient
B. plain
C. familiar
D. lucky
答案：B
，下列说法正确的是[ ]