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
_________ he stayed in Germany for half a year and he will go to Germany _________again.
#64751
A
Before long; before long
B
Long before; long before
C
Before long; long before
D
Long before; before long
-- I bought the dress at _____ normal price.-- Well, it’s a _____ bargain.
#71842
A
the half; a
B
half the ; a
C
a half ;the
D
half; 不填