We're going to _____our first trip__ this Sunday.a.on,in b.have,on c.on,/ d.in,/

问题描述:

We're going to _____our first trip__ this Sunday.a.on,in b.have,on c.on,/ d.in,/

选b
on 加星期几 固定搭配 on sunday
前面类似于have a trip 固定搭配