You must go（ ）the road carefully because the traffic is heav

You must go（ ）the road carefully because the traffic is heav you must look carefully before you ______(通过)the road. 改错You must careful because of the traffic is very dangerous. you must be very careful because the traffic You must _______ the traffic lights when you cross the road. When you [ ] the road you must look at the traffic lights中【 We must not run ( ) the road when the traffic light is red.括 ___you go across the road,you must be careful The math problem is very diffcult.You must ___ carefully. Because of the accident,the road was close to traffic. But you must cross the road from here .There's h traffic. There is a traffic ( ) on the road.