题目内容
用适当的介词填空。
He glanced ________ the street corner out of the window and was clear ________ what was happening.
答案:at,about
解析:
解析:
|
be clear about对……清楚、明白。 |
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题目内容
用适当的介词填空。
He glanced ________ the street corner out of the window and was clear ________ what was happening.
|
be clear about对……清楚、明白。 |