.Hardly could he _________this amount of work in such a short of time.
There are a lot _______ people today than yesterday.
Wang Wei is one of many Chinese students _______ “on the go’.
With the development of science and technology, people’s life _______ in the past few years.
We have moved into a four-room flat so far. Our room is between _____.
---I wonder why Mr Green hasn’t showed up at the meeting yet.---I’m not sure, but he _______ in a traffic jam driving here.