问题
选择题
Today, we'll discuss a number of cases _____ beginners of English fail to use the language properly. [ ]
A. which
B. as
C. why
D. where
答案
答案：D
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Today, we'll discuss a number of cases _____ beginners of English fail to use the language properly. [ ]
A. which
B. as
C. why
D. where
答案：D