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
_________ he was, he still went on with his work.
#93737
A
Tired although
B
Tiring as
C
Tired though
D
While tired
I used to go camping a lot, so it isn’t the first time I ____in a tent.
#92699
A
have slept
B
had slept
C
was sleeping
D
slept
It's said that the power plant is now large as what it was.
#91932
A
twice as
B
as twice
C
twice much
D
much twice
The notice came around two in the afternoon_______ the meeting would be postponed.
#92962
A
when
B
that
C
whether
D
how
It’s wise to forget things which aren't worth ______.
#92778
A
being remembered
B
remembering
C
to be remembered
D
to remember