Question

_______ made his teacher angry. A．He was late 　 B．Whether he was late C．What he was late

_______ made his teacher angry. A．He was late 　 B．Whether he was late C．What he was late D．That he was late

Answer 1

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。