At home, he never seems to have time until after 10?30 pm, ________ his children have gone to bed. [

题目简介

At home, he never seems to have time until after 10?30 pm, ________ his children have gone to bed. [

题目详情

At home, he never seems to have time until after 10?30 pm, ________ his children have gone to bed.
[      ]
A. whose time  
B. when
C. on which  
D. by which time
题型:单选题难度:中档来源:同步题

答案

D

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