问题
选择题
Tom was playing computer games all night.________he was late for class. [ ]
A. That's because
B. That's why
C. It's how
D. That's how
答案
答案：B
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Tom was playing computer games all night.________he was late for class. [ ]
A. That's because
B. That's why
C. It's how
D. That's how
答案：B