Mr. White told us _______ run up and down the hall.
| A.don’t | B.didn’t | C.not to | D.to not | 
The scientist was rewarded by the government forsuch a great,contribution to the country.
| A.make | B.making | C.being made | D.having made | 
Too high house prices can be brought under control,the authorities introduce a series
  of regulatory policies.
| A.even if | B.as if | C.so that | D.provided that | 
all kinds of difficulties,the workers have made rapid progress in the construction of
  the World Expo 2010 Shanghai.
| A.With | B.For | C.Under | D.Beyond | 
—Bob! How’s your project? I heard you started it last Friday,right?
  —Oh!Ifor it.But I haven’t decided when to do it.
| A.have prepared | B.had prepared | 
| C.have been preparing | D.was preparing | 
a diary every day and you’ll improve your writing.
| A.Keeping | B.To keep | C.Keep | D.If you keep |