10. 选D。末句点题，"英语在我们生活中是很有帮助的(helpful)"。
第三步：
复读检验
将所有答案代入空格后，重新将短文复读一遍，如果语句通顺，语意清楚，便结束本题，转做其它试题。
最后须提醒大家一点，做好完形填空题并非一日之功。我们应从平日学习中做起，多积累，勤学苦练，方可成功！Have a greater success in the future！
(1)
根据文意，补全所缺单词，词首字母已给出。
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 crossings(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
may 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 _____ ．
Key:
