填 when 还是 which 还是 that

题目

填 when 还是 which 还是 that
Both my parents and I looked forward to the moment 空 we stay together in Harbin,So when I got off the plane,we hugged each other

答案

Both my parents and I looked forward to the moment 【when】 we stay together in Harbin,So when I got off the plane,we hugged each other考察定语从句的引导词,定语从句when we stay together 中的we stay to...