Mark drives his car too fast and, what's more, very carelessly, ________ worries his mother.
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A
a
B
what
C
it
D
which
推荐题目
I joined a club while at college, _______ members were all literary lovers.
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A
whose
B
where
C
what
D
which
At present, we are studying a total of nine subjects, ________ I think is physics.
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A
of them the most difficult
B
and the most difficult of which
C
the most difficult of them
D
the most difficult of which
I usually do my homework after dinner until 10 pm, ______ is my bedtime.
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A
who
B
what
C
which
D
that
I’m sorry not to have replied to your letter earlier, ______, I must say , I apologize.
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A
which
B
for which
C
to which
D
whom
、The virtues of thrift（节俭）and hard work is vital for everyone, is often the case in any society.
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A
as
B
that
C
when
D
where