Today，we’ll discuss a number of cases ________ parents have much difficulty in communicating with their children.
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which
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as
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why
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where
推荐题目
The knee is the joint ______ the thigh bone meets the large bone of the lower leg．
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when
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where
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which
D
that
— Tom seems not so enthusiastic as he was two years ago. — Yes. He’s really reached a point in his career ______ he has to decide what to do next.
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that
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when
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where
D
which
Students should involve themselves in community activities they can gain experience for growth.
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who
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when
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which
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where
Some fans, _____ money was a big problem, could not afford to go to the concert to see their star play.
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for whose
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with whose
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with whom
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for whom