问题
选择题
I wondered _________ during his summer holiday. [ ]
A. what will Bob do
B. what did Bob do
C. what Bob did
D. what Bob has done
答案
答案：C
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I wondered _________ during his summer holiday. [ ]
A. what will Bob do
B. what did Bob do
C. what Bob did
D. what Bob has done
答案：C