last night a car accident_____to the poor boy

问题描述:

last night a car accident_____to the poor boy

last night a car accident__occured___to the poor boy
occur发生,在这里用一般过去式
vi.
发生;出现;存在
[ 过去式occurred 过去分词occurred 现在分词occurring ]

last night a car accident__happened___to the poor boy

happened
happen to sb 发生在某人身上
昨晚,一场车祸发生在这个可怜的男孩身上.