With the development of modern society, E-mail as well as telephones an important part in daily communication.
| A．have played | B．is playing | C．are playing | D．had played |
相关试题
Only when you told me about it ________ what a silly thing I had done.
| A．I realized | B．did I realize | C．I did realize | D．did I realized |
That hero who died in the war was so brave that he never ________ to the enemies until death.
| A．gave up | B．gave out | C．gave in | D．gave away |
Mr. Black ________ Shanghai in a few days. Do you know when the earliest plane ________ on Sunday？
| A．leaves; takes off | B．is leaving; takes off |
| C．is leaving; is taking off | D．leaves; is taking off |
Yesterday we went to visit the farm ________ my father used to work for nearly ten ye
ars.
| A．in which | B． that |
C．where | D．which |
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