Be careful to look both ways before you _______(横过)the street,
问题描述:
Be careful to look both ways before you _______(横过)the street,
答
cross
答
应该是across
答
Cross
答
cross 或者 walk across 或者 go across
都可以的.
另外,cross 是动词,across 是副词,这样,你应该就明白了.