问题
选择题
A great explosion _______ in a chemical factory in Hangzhou several months ago.
A．occurred
B．occurred to
C．has happened
D．has taken place
答案
答案：A
动词辨析题。杭州一家化工厂你个月前发生了巨大爆炸。 根据时间状语several months ago为过去的时间排除C、D选项，又因为occurred to为“想起”之意故选A