It is reported that the United States uses ________energy as the whole of Europe. 

It is shown that men have         as women do on average while driving according to recent statistics.

A new iPad in the market costs about ______ of a second-hand one.

A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is __ as that of sound.

You should write a _____________ composition every other week.

It is shown that men have         as women do on average while driving according to recent statistics.

It’s said that the power plant is now___ large as what it was.

– Have you ever been back to our Alma Mater(母校) after graduation?
-- Of course. _____.
Which of the following is incorrect?

The children loved their day trip, and they enjoyed the horse ride___

The flat rent is expensive, I’ve got about half the space I had at home but I am paying ________ here.