问题
选择题
You can phone the doctor, but I doubt _____ he will come out on such a stormy night. [ ]
A. when
B. where
C. whether
D. how
答案
答案：C
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You can phone the doctor, but I doubt _____ he will come out on such a stormy night. [ ]
A. when
B. where
C. whether
D. how
答案：C