问题
选择题
30. Because of the heavy snow, a serious accident______to the family.
A.occurred
B.happened
C.was happened
D.took place
答案
答案:B
考查:发生happen,occur,指偶然发生,没有被动语态,take place 指按计划发生,在这里考查短语happen to碰巧发生,句意:由于大雪,一起严重的事故碰巧发生在这一家。所以选B。