题目内容
() 1.(2015 •聊城) Earthquakes always happen , so it is difficult to know when they come.
A. hopefully B. suddenly
C. usually D. luckily
1. B
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题目内容
() 1.(2015 •聊城) Earthquakes always happen , so it is difficult to know when they come.
A. hopefully B. suddenly
C. usually D. luckily