问题
选择题
Mary is being punished（惩罚） by the headmaster. That was______ she broke the school rules.
A．why
B．because of
C．the reason why
D．because
答案
答案：D
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Mary is being punished（惩罚） by the headmaster. That was______ she broke the school rules.
A．why
B．because of
C．the reason why
D．because
答案：D