---What on earth are the police busy with? ---They have been looking into how the plane crash _______.
#71487
A
came out
B
came up
C
came down
D
came about
推荐题目
When I was very young, I was terribly frightened of school, but I soon ____ it.
#82555
A
got off
B
got across 
C
got away
D
got over
A wallet has been found and can be ______ the manager’s office.
#67248
A
claimed
B
announced
C
declared
D
cheered
. Han Han wrote several novels, almost all of them_______by teenagers.
#77830
A
appreciated
B
are appreciated
C
were appreciated
D
having appreciated