问题
选择题
So sudden ________that the residents had no time to escape.
A．was the earthquake
B．did the earthquake
C．the earthquake did
D．the earthquake was
答案
答案：A
考查倒装句。So+adj/adv放在句首时，后面构成部分倒装句。B选项应该改为did the earthquake
Happen;句意：地震爆发地如此突然以至于居民没有时间逃跑。