— What on earth are the police busy with? — They have been looking into how the plane crash _______.
#13108
A
came out
B
came up
C
came down
D
came about
推荐题目
There are   students in our schoo1.
#14414
A
three thousand
B
three thousand of
C
three thousands
D
three thousands of
The tall figure that you saw was none ________ our manager.
#13611
A
rather than
B
or rather
C
more than
D
other than