It is ________ he often fails in exams ________ makes his parents worried about him.
#85076
A
what；that.
B
that；what.
C
that；that.
D
because；that.
推荐题目
---______ the farmers discovered the entrance to the secret cave in the valley?--- Totally by chance.
#85269
A
When was it that
B
How was it that
C
How it was that
D
When it was that
he will return to his native land.
#85014
A
It is long before that
B
It is before long that
C
It won’t be long before
D
It will be long before that
Between the two generations, it is often their different views of life and value _____ cause family conflicts.
#85376
A
which
B
what
C
who
D
that
It ______ we had stayed together for a couple of weeks _____ I found we had a lot in common.
#85010
A
was until; when
B
was until; that
C
wasn’t until; when
D
wasn’t until; that