问题补充:
— How long have you been here? — the end of last month,
A. In
B. By
C. At
D. Since
答案:
A. In
B. By
C. At
(答案→)D. Since
解析:since引导的介词短语和现在完成时连用
时间:2022-05-11 09:32:56
— How long have you been here? — the end of last month,
A. In
B. By
C. At
D. Since
A. In
B. By
C. At
(答案→)D. Since
解析:since引导的介词短语和现在完成时连用