题目内容
从所给的四个选项中选择最佳答案
Look around when ________ the street.
[ ]
A.across B.crossing C.crossed D.to be crossing
答案:B
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题目内容
从所给的四个选项中选择最佳答案
Look around when ________ the street.
[ ]
A.across B.crossing C.crossed D.to be crossing