It was totally by chance         they discovered the entrance to the underground palace.
#84683
A
when
B
which
C
why
D
that
推荐题目
It is a shopping mall ______has been built in ______ used to be a school.
#85127
A
which; where
B
that; what
C
which; that
D
that; where
___ he will leave for Beijng.
#85505
A
It will not be long before
B
It is before long that
C
It is before long
D
It was before long that
---Who is making so much noise?---___ the children.
#84914
A
There are
B
They are
C
That is
D
It is