问题
选择题
_______ made his teacher angry.
A．He was late
B．Whether he was late
C．What he was late
D．That he was late
答案
D
考查主语从句。句意：他迟到让他的老师不高兴。_______ made his teacher angry.中缺少主语，且主语不缺成分，所以用That引导主从，且That不能省略。选D。
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