It’s time ()the students ()morning exercises A for doing B for to do C to for doing D to to do
问题描述:
It’s time ()the students ()morning exercises A for doing B for to do C to for doing D to to do
答
B
固定形式 it's time for sb.to do sth.表示是某人做某事的时候了
希望能够帮到楼主