◎ 题干
He was about to go out for a walk _____ his teacher came to visit him.
[     ]
A. while
B. which
C. when
D. then
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“He was about to go out for a walk _____ his teacher came to visit him. [ ]A. while B. which C. when D. then …”主要考查了你对  【并列连词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。