单项选择题

I ______ from him since he left.

A． didn' t hear
B． haven' t heared
C． haven' t heard
<上一题 目录 下一题>
热门 试题

单项选择题
He doesn' t come today. He ______ be ill.
A． must
B． can
C． should
单项选择题
He ______ asleep when he was reading.
A． was falling
B． fell
C． falls
相关试题