单项选择题

A．To prevent the lookers-on from getting near.
B．To protect the injured men.
C．To let the fire engines and ambulances pass.
D．To cheek the leaking gas pipe.
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单项选择题
A．He didn’t know that she was enrolled in a linear algebra course.B．He thought she preferred to study alone.C．He thought she had made arrangements to study with.D．He had told her that he had done poorly on a recent test.
A．He didn’t know that she was enrolled in a linear algebra course.
B．He thought she preferred to study alone.
C．He thought she had made arrangements to study with.
D．He had told her that he had done poorly on a recent test.
单项选择题
A．They are talking over the meal.B．The man is English but the woman is not.C．The man isn’t English but the woman is.D．They are talking about English breakfasts.
A．They are talking over the meal.
B．The man is English but the woman is not.
C．The man isn’t English but the woman is.
D．They are talking about English breakfasts.
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