23. The class is unusual the students are all over fifty and none of them attended the mid

发布时间:2020-08-15 02:36:56


23. The class is unusual     the students are all over fifty and none of them attended the middle school when they were young.
A. in how
B. in what
C. in which
D. in that

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A. in how
B. in what
C. in which
(答案→)D. in that
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