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.
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A
who
B
which
C
that
D
what
推荐题目
___ a very rough sea, with waves ten metres high.
#94591
A
It were
B
This will be
C
It was
D
There’ll be
 It’s nice _______ me with my lessons.
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A
of you to help
B
for you to help
C
of you helping
D
for you helping
Miss Tang teaches _______ and we all like her class.
#94090
A
our English
B
ours English
C
us English
D
English for us
I couldn’t______cry while I was watching the movie “Titanic”.
#94072
A
help to
B
help
C
help but to
D
help but
I ______along the street looking for a place to park when the accident______ . 
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A
went; was occurring
B
went; occurred
C
was going; occurred
D
was going; had occurred