It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .   
#103597
A
has been selected
B
had been selected
C
has selected
D
selected
推荐题目
--The window is dirty.----I know. It ______ for weeks.
#101363
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
The bridge, which _________ 1688, needs repairing.
#104718
A
is dated from
B
was dated from
C
dates from
D
dated from
By the time you _________ your work this evening, I will be watching my favorite Korean TV series.
#103127
A
get through
B
had got through
C
will have got through
D
have got through