Question

— Do you often go to the movies at weekends？

— Not often, I only go to the cinema __________.

A. at one time                                       B. for a time             

C. at a time                                          D. from time to time

Answer 1

D

解析:

from time to time意思为 “不时；偶尔”，与Not often相吻合。句意：不经常，我只是偶而去看看电影。at one time曾经；for a time一段时间；at a time一次；每次。