问题
选择题
I can't tell whether the book is worth reading, _____ I haven't read it myself.[ ]
A. but
B. so
C. or
D. for
答案
答案：D
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I can't tell whether the book is worth reading, _____ I haven't read it myself.[ ]
A. but
B. so
C. or
D. for
答案：D