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
______ a pair of compasses, it is easy to describe a circle.
#93189
A
Having
B
To have had
C
If you have
D
If having
---Would you mind if I take the seat? --- _____.
#93357
A
Yes, sit down, please
B
No, not at all
C
Surely, never mind
D
No, you can’t take it
English is a subject ___________ we should attach great importance.
#93031
A
which
B
that
C
to which
D
for which
Don’t give up regardless of difficulty and failure, you’ll never achieve your goals.
#92194
A
and
B
but
C
or
D
so