who作主语时,动词用第三人称单数?who ( )on duty today who( )us English this term?a ,is b,are c,teach d,teaches
2022-02-23 05:26:06 28次 反馈错误 加入收藏 正确率 : 100%
题目内容:
who作主语时,动词用第三人称单数?
who ( )on duty today
who( )us English this term?
a ,is b,are c,teach d,teaches
本题链接: