问题
选择题
I'm not sure _______ she is right. _______ she is right, I will follow her. [ ]
A. whether; Whether
B. when; If
C. if; Whether
D. whether; If
答案
D
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I'm not sure _______ she is right. _______ she is right, I will follow her. [ ]
A. whether; Whether
B. when; If
C. if; Whether
D. whether; If
D