问题
Children under sixteen are not permitted to participate in such kind of activities _____ bad for their mental development.
A:as is
B:as are
C:that are
D:that they are
B:as are
C:that are
D:that they are
正确答案是：
同类题型
How was your day off?—Great！I the history museum.
The story is ______ and all of us are _______ in it.
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__________ the bananas to go bad, he preferred to sell them at half price.