问题
选择题
Swan made a promise to his father _____ he would have himself home early.
A．when
B．why
C．/
D．that
答案
答案：D
考查同位语从句。that 解释前面的名词promise，句意：斯旺向他的父亲许下诺言，诺言就是他会自己回家很早。故选D。
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Swan made a promise to his father _____ he would have himself home early.
A．when
B．why
C．/
D．that
答案：D
考查同位语从句。that 解释前面的名词promise，句意：斯旺向他的父亲许下诺言，诺言就是他会自己回家很早。故选D。