－Do you know _______ World Water Day is?－On March 22nd.
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推荐题目
The tall man ____ wears a new coat is our new English teacher, isn't he?
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whose
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that
I can remember well some pictures and the persons I saw in the room.
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A friend is someone ______ says, “What! You too? I thought I was the only one!”
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who
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---I hear that Lily’s brother is a worker here.---Look! The man is working over there is her brother.
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who
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/
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---Do you know the man is reading the book over there? ---Yes, he’s Mr. Green, our PE teacher.
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which
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whom
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