. It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .   
#103604
A
has been selected
B
had been selected
C
has selected
D
selected
推荐题目
Frank_________ London by train which _______ at 8:30 next morning.
#101792
A
is leaving for ; will leave
B
is leaving for; leaves
C
will leave for; will leave
D
leaves for ; leaves
My family plans to move into the building that is      over there now.
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A
being built
B
building
C
to be built
D
been built
E-mail , as well as cellphones, _____an important part in daily communication.
#102596
A
have played
B
play
C
are playing
D
is playing