题目内容
(请给出正确答案)
[主观题]
For" and "since" are often used with the present perfect.Fill in the blan
ks with "for" or "since
1.()half an hour
2.()last year
3.()noon
4.()one month
5.() yesterday
6.()three days
7.()I started the job
8.()decades
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