问题
选择题
American English has changed ________ time. There are several reasons ________ this.
A．over; for
B．for; with
C．in; of
D．during; about
答案
答案：A
考查介词。change over time随时间改变；reason for……的原因。根据句意选择A。
搜题请搜索小程序“爱下问搜题”
除此以外，我国的民主监督的新形式、新方法还有 [ ]