--What on earth are the police busy with? ---They have been looking into how the plane crash _______.
#71465
A
came out
B
came up
C
came down
D
came about
推荐题目
One island and two lakes _______________ the country.
#71233
A
make up
B
makes up of
C
is made up of
D
consists of
 We had a really bad time about six months ago but now things are______.
#71105
A
picking up
B
coming up
C
making up
D
turning up