问题

So quickly ______ that what is a possibility today may be a reality tomorrow.[ ]

A: is science advancing
B: science is advancing
C: will science advance
D: science will advance

正确答案是：

同类题型

Mr.Blin his factory have never been________.

With so much _____ equipment, wood and paper in one place, there is a danger of fire. [ ]

I have a big brother. __________name is Paul.

u have anything more ______, sir”“No You can have a restordo something else”

The blue pen is mine. ________ this dictionary—It’s hers.