安全词汇：safe, dangerous, careful — 英语选择题
题目
Tom 想过马路（cross the road）。看到红灯时直接跑过去是很_____ 的；妈妈告诉他：'Be _____! Wait for the green light. Then it is _____ to cross.' 请依次选出三个空格对应的单词。A. dangerous, careful, safe B. careful, dangerous, safe C. safe, careful, dangerous D. dangerous, safe, careful