最好能给我讲一下语法.Children are warned to be careful when ______ the
最好能给我讲一下语法.
Children are warned to be careful when ______ the street.A crossing B.crossed C.being crossed
Children are warned to be careful when ______ the street.A crossing B.crossed C.being crossed
赞 diyushen009 幼苗
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crossing
省略成分 Children are warned to be careful when （they are crossing）the street
省略成分 Children are warned to be careful when （they are crossing）the street
1年前
9
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