单项选择题

It was a very difficult task, and______ Burrows would stop to have a smoke.

A. every so often
B. often so every
C. so every often
D. every often so
<上一题 目录 下一题>
热门 试题

单项选择题
Ellis and her sisters could hardly recognize the value of that family heirloom, ______
A. couldn't they
B. couldn't she
C. could they
D. could she
相关试题