问题
选择题
Don't worry! I who _____ your best friend will do as far as I can to help you. [ ]
A. is
B. am
C. were
D. was
答案
答案：B
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Don't worry! I who _____ your best friend will do as far as I can to help you. [ ]
A. is
B. am
C. were
D. was
答案：B