itwasthreeyearsago_igottoknowhimandsincethenwehavebeengoodfriends.AwhenBthatCbeforeDafter
2021-07-27 58次 反馈错误 加入收藏 正确率 : 100%
题目内容：
it was three years ago_ i got to know him and since then we have been good friends.
A when
B that
C before
D after
优质解答
B.强调句型.
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