问题
选择题
She asked the secretary she could come or not.
A．if
B．that
C．what
D．whether
答案
答案：D
本身if 与whether都可以引导宾语从句，而如果句子后有or not 就只能用whether，故选D
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She asked the secretary she could come or not.
A．if
B．that
C．what
D．whether
答案：D
本身if 与whether都可以引导宾语从句，而如果句子后有or not 就只能用whether，故选D