–Did you ask the guard what happened?--Yes, he told me all ______ he knew.
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about which
B
which
C
that
D
what
推荐题目
Finally he reached a lonely island________was completely cut off from the outside world.
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when
B
where
C
which
D
whom
My brother，______ his classmates often made fun a few years ago，is now studying in England．
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of whom
B
who
C
about whom
D
whom
Between the two parts of the concert is an interval, _____ the audience can buy ice-cream.
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A
when
B
where
C
that
D
which
Parents should pay attention to the cases _______ their children have difficulty adapting to new surroundings.
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A
where
B
as
C
why
D
when
Miss White, smile is broad and warm, has a kind of beauty no matter what she wears.
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A
whom
B
who
C
that
D
whose