1.If you run into someone by accidence,you are supposed to say sorry to him.
2.The town is prettier than it used to be.
3.What else can we do to spend the time?
4.The laid-back topic makes us feel relaxed.
5.No matter what I suggest,he always disagrees.（在此也可用 Regardless of what I suggest...）
6.Do you still remember the place where we first met?
7.We should protect animals and love the earth.（这句可以用的词很多 应该可以按需要随便选）