单项选择题

I was halfway back to the cottage where my mother lived______Susan caught up with me.

A．when
B．while
C．until
D．though
<上一题 目录 下一题>
热门 试题

单项选择题
Mass production is______only in an economy with a highly developed technology.
A．feasible
B．permissible
C．allowable
D．receivable
单项选择题
I'm very sorry to have______you with so many questions on such an occasion.
A．interfered
B．offended
C．impressed
D．bothered
相关试题