1.We must across the road carefully.找出下列句子中错误的单词或词组,修改正确

1.We must across the road carefully.找出下列句子中错误的单词或词组,修改正确
1.We must across the road carefully.找出下列句子中错误的单词或词组,修改正确

1.We must across the road carefully.找出下列句子中错误的单词或词组,修改正确
Across 改为 cross,cross the road 为过马路固定搭配