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
How the fire in the dancing hall started _________ a mystery.
#100979
A
to remain
B
remains
C
is remaining
D
is remained
-Where did you put the car keys?-Oh, I ______ I put them on the chair because the phone rang as I _______ in.
#103998
A
remembered; come
B
remembered; was coming
C
remember; come
D
remember; was coming
Listen to the two girls by the window. What language _____?
#103239
A
did they speak
B
were they speaking
C
are they speaking
D
have they been speaking