Class2 will go for a picnic.They made___6 o'clock to meet zr the foot of Mt.Tai.
问题描述：
Class2 will go for a picnic.They made___6 o'clock to meet zr the foot of Mt.Tai.
A.it
B.that
C.them
D.\
答
A
决定时间的话用固定搭配it