—You must not cross the road now.
—我们必须看交通信号灯。
—Whatyou do tothe road ?
—We must the traffic lights.
⒈在人行道上等待
⒉当心,提防
⒊遵守这些规则
⒋过马路
⒌红灯
⒍在马路上保持安全
—She can sing.
You must look first, and then .