【正文】
A large number of buildings 250,000 700 Fill in form Another earthquake shook San Francisco on October 17th, 1989. It was America’s second strongest earthquake and about 100 people were killed. It happened in the evening as people were traveling home. A wide and busy road which was built like a bridge over another road fell onto the one below. Many people were killed in their cars, but a few lucky ones were not hurt. Luckily the 1989 earthquake did not happen in the center of town but about 50 kilometers away. In one part of town a great many buildings were destroyed. These buildings were over 50 years old, so they were not strong enough. There were a lot of fires all over the city. The electricity was cut off for several days too. It happened _____________________________ . It was America’s_________________________ . Many people were ______ in their________ . Buildings __________________ and there were a lot