The college has developed an on-line system ________students can choose their own professors.
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A
where
B
when
C
that
D
which
推荐题目
After the flooding, people were suffering in that area, _______urgently needed clean water, medicine and shelter to survive.
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A
which
B
who
C
where
D
what
Great changes have taken place in that school. It is no longer it was 20 years ago，_____ it was so poorly equipped．
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A
what；when
B
that；which
C
what; which
D
which；that
The old town has narrow streets and small houses ________ are built close to each other.
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A
they
B
where
C
what
D
that
One million people of the city, ______ thought little of the event, were asleep as usual that night.
#77723
A
where
B
which
C
who
D
that