问题
选择题
It is ten years since we ________ each other last time.
A．see
B．have seen
C．saw
D．had seen
答案
答案：C
since构成的从句，since后遇到过去的时间last time，通常从句用一般过去时see的过去式为saw，故本题选C。
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It is ten years since we ________ each other last time.
A．see
B．have seen
C．saw
D．had seen
答案：C
since构成的从句，since后遇到过去的时间last time，通常从句用一般过去时see的过去式为saw，故本题选C。