How the big forest fire has          remains to be a mystery.
#66249
A
turned up
B
broken out
C
taken place
D
broken up
推荐题目
Xiao Hong worked harder last year. _______ , she still didn’t get high grades.
#69485
A
As a result
B
After all
C
By the way
D
However
 The shop owner would _______ his money every day.
#78471
A
count
B
count for
C
count out
D
counting