Lady Gags is very popular, and she__ by many boys and girls at school.

Lady Gags is very popular, and she__ by many boys and girls at school.

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Many a student _____ in the exam.

Many a student _____ in the exam.

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We offered him our congratulation ____his passing the entrance exam.

We offered him our congratulation ____his passing the entrance exam.

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工厂某零件如图所示,以下哪个图形是它的俯视图( )

工厂某零件如图所示,以下哪个图形是它的俯视图( )

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