We no longer keep up the close friendship of a few years ago though we still visit each other on
occasion
.
A、
in good time
B、
up to date
C、
now and then
D、
once and for all
【正确答案】
C
【答案解析】
解析:译文为:虽然我们仍然偶尔相互拜访,但好几年前就没有保持亲密关系了。on occasion有时。in good time及时;up to date最新的;now and then不时;once and for all坚决地。
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