自编语法练习3
A campaign has been launched to prevent more accidents caused by old elevators. The one-year campaign is aimed at identifying old elevators and 61 (remove) potential dangers.
It ` s 62 (rough)estimated that China has some 3.6 million elevators in use and the number tends 63 (grow)at a rate of 20 percent every year. Last year there were 48 accidents responsible 64 the death of 36 people. There 65 (be)still a large number of accidents in which people are trapped every year. In Guangzhou, capital of Guangdong province, for instance, more than 14,600 people were trapped before 66 (rescue) last year.
