--- What on earth are the police busy with?--- They have been investigating how the train crash __________. 
#12250
A
came out
B
came across
C
came about
D
came up
推荐题目
He stopped and turned around _____.
#14342
A
every few meters
B
every other meters
C
every a few meters
D
every meters
Difficult conditions will sometimes ________ a man's best qualities.
#11759
A
give out
B
bring out
C
let out
D
take out