问题补充：
7. Everything changes .What was not accepted in the past may be very popular with people now.
A. in time
B. on time
C. for time
D. over time
答案：
A. in time
B. on time
C. for time
(答案→)D. over time
解析：短语辨析。in time及时地；on time按时。准时；over time随着时间的推移。随着时间的推移，一切都变了。过去不被人们接受的东西，现在很受人们欢迎了。故选D.
