it is+介词+时间点+that
it is+介词+时间点+that
It is+时间段+since+时间点
It is+时间段+since+时间点.
介词副词填空,What is it about them that makes them stand from the
英语时间介词.It is October 25th.其中间为什么不加on.
It is snowing heavily (介词)
that's the way it is语法点?
make it后跟时间时加不加介词
it is considered that...
It is said that.
is that it there
It is obvious that..