问题
选择题
“How long have you worked on the farm?” “_________ the end of last year.”
A．In
B．By
C．At
D．Since
答案
答案：D
用 since the end of last year 回答 how long，即问句问“工作了多久”，答句说“自去年年底至今”。
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“How long have you worked on the farm?” “_________ the end of last year.”
A．In
B．By
C．At
D．Since
答案：D
用 since the end of last year 回答 how long，即问句问“工作了多久”，答句说“自去年年底至今”。