With the development of modern society, E-mail as well as telephones an important part in daily communication.
#100960
A
have played
B
is playing
C
are playing
D
had played
推荐题目
The scientist __________ the experiment for half a year, but he _______ yet.
#102041
A
made; didn’t succeed
B
made; hasn’t succeeded
C
was making; didn’t succeed
D
has been making; hasn’t succeeded
No sound and no voice______ for a while.
#104900
A
have heard
B
has heard
C
has been heard
D
have been heard
. I don’t understand why he faults with me. I’ve done my best.
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A
finds
B
found
C
is always finding
D
will find
Johnson ____ for 5 years for political reasons when he was young.
#103756
A
was put in prison
B
was in the prison
C
got out of prison
D
was in prison