—Doyouoftengofishingatweekends?—Notoften，Ionlygofishing...

问题详情：

—Do you often go fishing at weekends?

—Not often，I only go fishing ________.

A．at one time                     B．all the time

C．at a time                       D．from time to time

【回答】

D　考查介词短语。at one time“曾经”；all the time“始终”；at a time“每次”；from time to time“有时”。由句意可知D项正确。

知识点：交际用语

题型：选择题