题目内容
( ) 9.——How long have you been in Beijing?
—I have been here .
A. for one year ago
B. since a year
C. since one year ago
D. for last year
9. C since和表示过去某一时刻的词连用;for和表示一段时间的词连用。
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题目内容
( ) 9.——How long have you been in Beijing?
—I have been here .
A. for one year ago
B. since a year
C. since one year ago
D. for last year
9. C since和表示过去某一时刻的词连用;for和表示一段时间的词连用。