题目内容
In order to be successful as an engineer, she had to become ___ at mathematics.
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Not until the meeting had begun ___ to the meeting room on the top floor.
The suggestion that the mayor ___ the prizes was accepted by everyone.
—“May I speak to your manager Mr. Williams at eight o'clock tonight?”
The author thought that establishing one's sexual identity was the most stressful matter for young college students.
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