You bought a new computer last week, _____ you?
| A．aren’t | B．don’t | C．didn’t | D．haven’t |
Everyone should make a contribution the environment.
| A．to protect | B．to protecting | C．protects | D．protected |
—will your parents return?
—They will return in a week.
| A．How often | B．How long | C．How much time | D．How soon |
This lesson is that one.
| A．as easier as | B．more easy than | C．not so easy as | D．easy than |
Work hard, you will fail the English exam.
| A．and | B．or | C．so | D．but |
—How was your hometown ?
—Great changes took place.
A. in 1990s B. in the 1990s C, in the 1990’s D. in the 1990s’