The little boy didn’t know_______.【单选题】
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The little boy didn’t know_______.
A. Which hat is hi
B. which hat his is
C. which hat was his
D. which hat his was
参考答案:
The little boy didn’t know_______.
A. Which hat is hi
B. which hat his is
C. which hat was his
D. which hat his was
参考答案: