问题描述：
英语 (18 17:26:23)
Writing courses differ from others _______ they cannot be completed successfully through textbook study alone.
A.in that B.for which C.so that D.in which
选哪一个?整个句子的意思,请翻译一下.
Writing courses differ from others _______ they cannot be completed successfully through textbook study alone.
A.in that B.for which C.so that D.in which
选哪一个?整个句子的意思,请翻译一下.
问题解答：
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