People are often killed while c---- the road补全单词
问题描述:
People are often killed while c---- the road
补全单词
答
穿过马路用cross the road
while则表示 “一边怎么样,一边怎么样”,两者同时发生。所以cross+ing
答
People are often killed while crossing the road.
while crossing the road过马路的时候
答
crossing
横过