—Is it interesting to play computer games?
—Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.
A.once B.twice C.as D.as soon as
She has _____ this car for nearly ten years.
A.buy B.bought C.have D.had
—Where are Maria and Kangkang?
—They _____ England.
A.have been to B.are away C.have gone to D.had been in
—What has happened in your hometown?
— Great changes _____ in my hometown recently.
A.have been taken place B.have taken place
C.have been happened D.was happened
—_____ the population of the U.S.A. in 2005?
—It _____ about 296 million.
A.What is; is B.What was; was
C.How many is; was D.How many was; is
—They have been to Australia.
—So _____ I.
A.do B.have been C.did D.have
