-- How long do you think it will be ____ the USA recovers from the losses of the financial crisis? -- Perhaps four or five years.
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when
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since
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that
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before
推荐题目
The old house, in front of ________ there is an apple tree, is ________ I used to live.
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that, the place
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it, the place
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which, where
D
what, where
Whenever I met her，________ was fairly often, she greeted me with a sweet smile.
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who
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which
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when
D
that
The young man went into the cinema and after ____ seemed half an hour he came out.
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that
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it
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what
D
which