问题
选择题
It’s ten years since he _________ his hometown.
A．left
B．leaves
C．has left
D．is leaving
答案
答案：A
it’s+段时间+since引导从句，从句常用过去式。
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It’s ten years since he _________ his hometown.
A．left
B．leaves
C．has left
D．is leaving
答案：A
it’s+段时间+since引导从句，从句常用过去式。