A-A+
It ______ months since we ______ in Shanghai.A
问题详情
It ______ months since we ______ in Shanghai.
A．has been; were
B．is; are
C．was; had been
D．had been; have been
参考答案
正确答案：A
解析：题型：语法题。since用在“It is(has been)+一段时间+since．．．”句型中，表示“自……以来有……时间了”，需要注意的是，这一用法同完成时态搭配。
