It __________ three years since we last __________ our primary school classmates

题干

It __________ three years since we last __________ our primary school classmates.

A．has been；saw

B．was；saw

C．has been；has seen

D．was；has seen

上一题下一题 0.65难度单选题更新时间:2019-10-09 05:37:50

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