问题
选择题
The reason for his absence from school was ____ he fell ill.
A．because
B．why
C．what
D．that
答案
答案：D
当主语是reason时，表语从句要用that引导。
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The reason for his absence from school was ____ he fell ill.
A．because
B．why
C．what
D．that
答案：D
当主语是reason时，表语从句要用that引导。