Even though it is at least 20 years _____ we got to know, I can’t forget the scene_____ we were introduced to each other.
A.that , where | B.when, in which | C.since , when | D.since, where |
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Even though it is at least 20 years _____ we got to know, I can’t forget the scene_____ we were introduced to each other.
A.that , where | B.when, in which | C.since , when | D.since, where |