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
      is important for all of us       English loudly in the morning.
#47032
A
It; to read
B
That; to read
C
It; reading
D
That; reading
It’s in the village ________ he was born.
#85124
A
where
B
who
C
which
D
that
It is usually thought      a little child says is truth. 
#85322
A
What that
B
that what
C
which
D
that
 What the boy ____ make his friends happy.
#85424
A
does did
B
did did
C
do do
D
do does