单项选择题

Flag Day is a legal holiday only in the state of Pennsylvania, ______ Betsy Ross sewed the first American flag.

A．which
B．where
C．that
D．has
<上一题 目录 下一题>
热门 试题

单项选择题
They ______ so tired if they ______ for a whole day.
A．wouldn't feel ... didn't walk
B．wouldn't feel ... weren't walking
C．wouldn't be feeling ... weren't walking
D．wouldn't be feeling ... hadn't been walking
单项选择题
Fred has ______ kind of humour that can only be appreciated by those willing to search beneath the surface.
A．an obvious
B．a hidden
C．a subtle
D．a controlled
相关试题