Have you decided when ( ) Yes,tomorrow morning.

题目

Have you decided when ( ) Yes,tomorrow morning.
A to leave B to be leaving C will you leave D are you leaving
选什么,为什么.

答案

A when to leave 疑问词和不定式构成的复合结构,翻译成 什么时候离开
用CD从句的话,从句需要用陈述语序,都不对.
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