问题
选择题
The reason he could not go there was his grades were too low. [ ]
A. why; because
B. why; that
C. for which; which
D. for which; 不填
答案
答案：B
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The reason he could not go there was his grades were too low. [ ]
A. why; because
B. why; that
C. for which; which
D. for which; 不填
答案：B