Question

【题目】Earthquakes always happen , so it is difficult to know when they come.

A. hopefully B. suddenly

C. usually D. luckily

Answer 1

【答案】B

【解析】试题分析：句意：地震总是突然间发生，所以很难知道他们什么时候来。A. hopefully有希望地，有前途地； B. suddenly 突然间；C. usually 通常；D. luckily幸运地。依据句意，答案为B。