Overhead bridges can be seen in many parts of Singapore, in the
places where traffic is very h________（1）and crossing the road is not safe. These bridges can help people
cross roads s________（2）. Overhead bridges are used in very much the same way as zebra
crossings（斑马线）.They are more
efficient（效率高的）,t________（3）less convenient（方便的）because people have to climb up a lot of steps. This is
inconvenient to the old. When people u________（4）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________（5）the government（政府）has built many
overhead bridges to help people and k________（6）traffic moving at the same time. The government of Singapore has
s________（7）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 may find it a little
d________（8）climbing up and down
the steps, but it is still much safer than walking across the road w________（9）all the moving traffic. Overhead
bridges are very useful. People, both old and young, should always use them.
This will stop accidents from h________（10）.
