单选题：He tried several times to pass the exam.________the end, he

题目内容：

He tried several times to pass the exam.________the end, he succeeded. A．On
B．In
C．At
D．By

参考答案：

答案解析：

Questions 11 to 1:5 are based on the following passage:Imagi

Questions 11 to 1:5 are based on the following passage:Imagine a school that ex

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