_____private cars are bringing us convenience, they may also cause traffic accidents and pollution.
A As B While C If D Since
相关试题
Teenagers____their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |
He____as a national hero for winning the first gold medal for his country in the Olympics.
| A．regarded | B．was regarded | C．has regarded | D．had been regarded |
Judy is going to marry the sailor she ____in Rome last year.
| A．meets | B．met |
C．has met | D．would meet |
–What’s that noise?
–Oh, I forgot to tell you. The new machine ______.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
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