选择题They’re _______ vacation for the next two weeks1 from2 on3 with4 off
问题描述：
选择题They’re _______ vacation for the next two weeks
1 from
2 on
3 with
4 off
答
on
on vacation, on holiday, can't explain but that's the way we say it
答
on vacation 指渡假,其它选项都不行,