行走安全的综合交际 — 英语填空题
题目
Mia is walking to the library. Complete her safety advice with the words in the box. Use each word as often as needed.
(pavement red green left right)
Walk on the ___. At the crossing, when the ___ man is on, wait. When the ___ man is on, look ___, then ___, then ___ again before crossing.