---I’m very sorry. I stepped on your foot.
---________.
| A．It doesn’t matter | B．You’d better not |
| C．Take it easy | D．It’s too bad. |
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 |