1. make, safe2. sure, clear, across3. should be, obey4. should changeWhen my mother and I were going out for a walk, we met a foreigner on the road. He asked the way to the Hot Spring Hotel. I told him to walk along the road and turn left at the third crossing. And then he could see the hotel. He thanked me for my help and I was happy that I could help him.希望能帮到你,祝更上一层楼O(∩_∩)O有不会的欢迎再继续问我(*^__^*)