【正文】
We should be careful at the traffic lights. should modal v. 應(yīng)該,應(yīng)當(dāng) crossing n. 交叉路口 corner n. 拐角,街角;角落 crossroads zebra crossing turn left turn right go straight on across over along to The students are going on a treasure hunt. Mr Wu is teaching them some simple instructions first. Listen to his instructions and tick the correct boxes. Simon and Daniel are in the same group. Listen to the instructions. Help them put these sentences in the correct order.