Overhead bridges can be seen in many parts of Singapore, in the places where traffic is very h____ and crossing the road is not safe.
Overhead bridges can be seen in many parts of Singapore, in the places where traffic is very h____ and crossing the road is not safe. These bridges can help people cross roads s____. Overhead bridges are used in very much the same way as zebra crossing(斑马线). They are more efficient（效率高的）, t____ less convenient(方便的) because people have to climb up a lot of steps. This is inconvenient to the old. When people u____ an overhead bridge, they do not hold up(阻挡) traffic. But when they cross a busy road using a zebra crossing, traffic is held up. This is w____ the government(政府) has built many overhead bridges to help people and k____ traffic moving at the same time. The government of Singapore has s____ a lot of money building these bridges. For their own safety, people should be advised to use them instead of rushing across the road. Old people many find it a little d____ climbing up and down the steps, but it is still much safer than walking across the road w____ all the moving traffic. Overhead bridges are very useful. People, both old and young, should always use them. This will stop accidents from h____.展开 全部
heavy, safely, too, use, why, keep, spent, difficult, with, happening.全部