A-A+
The reason why Jack failed to attend the lectu
问题详情
The reason why Jack failed to attend the lecture is because he had a had cold.
A．why
B．failed
C．attend
D．because
参考答案
正确答案：D
解析：应改为that。在这里that引导表语从句，原句中的 because与前面的the reason why重复。
考点：
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