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5. Jack can’t concentrate on his lessons recently.

—Yes,that might        (account) why he did so badly in the last test.

5. account for   考查动词短语。

account for占据,是......的原因,为……做出解释。句意:"杰克最近上课不是很专心。" "是,这可能就是他上次考试差的原因。"

题目来源:全品基础小练习高考英语新课标全国卷地区专用 > 第1-20天

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