Being a doctor is one of the few professions＿＿＿＿if you make a mistake，it can mean somebody's life．
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A
that
B
which
C
when
D
where
推荐题目
All the dishes in this menu， _____ otherwise stated， will serve two to three people.
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as
B
if
C
though
D
unless
_______ late you are, we will wait for you to come to have dinner.
#30847
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Whenever
B
Whatever
C
However
D
Wherever
All of a sudden it came to me ________ I might help wash my mom’s feet on Thanksgiving Day.
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if
B
when
C
which
D
that
We had hardly arrived at the foot of the Yuntai Mountain it began to rain heavily .
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than
B
when
C
until
D
after
Don’t lose heart; __________ difficulties you are faced with will be overcome in the end.
#31440
A
however
B
whatever
C
what
D
How