欢迎来到PP题库网 PP题库官网
logo

单项选择题

It was because he was ill ______ he didn't go to school.

    A.that
    B.when
    C.then
    D.so
点击查看答案&解析

相关考题

微信小程序免费搜题
微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题