Depression is the leading cause of suicide, __ __ in turn is the third leading cause of death among 15 to 24 year olds in the United States．
#93672
A
who
B
which
C
that
D
what
推荐题目
It’s the third time ________ late for school this week.
#93236
A
that you are
B
you are
C
when you arrived
D
that you have been
________ is a pity that you forgot both her address and her telephone number.
#94689
A
It
B
There
C
This
D
That
_____ playing dumb with teachers. They know very well their students.
#91938
A
It’s no use
B
There is no doubt
C
It’s no wonder
D
There is no need
_____ was very ____ that little Jim wrote the letter.
#94781
A
It; careful
B
It; carefully
C
He; careful
D
He ; carefully
It was the first time that I __________ the night face to face.
#92300
A
had seen
B
have seen
C
see
D
seeing