单项选择题
The museum（）we visited last Saturday was set up twenty years ago.
A．where B．to which C．which D．for which
单项选择题 Not until his father came back,（）to bed.
单项选择题 My sister has been working in that factory ever（）it was set up.
单项选择题 Hurry up! Otherwise the play（）by the time we got there.
