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We were swimming in the lake         suddenly the storm started.
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A
when
B
while
C
until
D
before
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Suan!Where have you been? You have no idea ___ worried I was.
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A
how
B
that
C
that how
D
what
Was it from the internet_____you learned the news _____a  big fire broke out in the firework factory ?
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A
that ;which
B
that ;that
C
where ;which
D
where ;that
—Do you remember          he came?—Yes, of course. He came by train.
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A
that
B
when
C
where
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how
I’m wondering　　 he expects will win the gold medal in Men’s Single.
#71627
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whom
B
which
C
who
D
what
A newly designed skyscraper is being set up ______ the World Trade Center used to stood.
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A
where
B
at which
C
that
D
which