--Have the police found the parents of the baby found by the road? ---Not yet. His identity ______. 
#102907
A
would be found out
B
has been found out
C
is being found out
D
had been found out
推荐题目
Mary went to the box office at lunch time, but all the tickets __________ out.
#101058
A
would sell
B
had been sold
C
have been sold
D
was selling
Playing computer games ______ much of his time.
#99808
A
picks up
B
takes up
C
gets up
D
comes up
---The window is dirty.----I know. It ______ for weeks.
#101155
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned