提出建议:You should... — 英语填空题
题目
情景:Tom 过马路时想看手机。请根据安全常识,用 should 或 shouldn't 完成句子,使句子成为一条合理的安全建议。1. You ________ look at your phone when you cross the street.(过马路时不要看手机。)2. You ________ wait for the green light before you cross.(过马路前应等绿灯。)