题目内容
Millie在动词的时态上需要帮助,你能帮帮她吗?
She said they ________(know)each other for quite some time.
答案:had known
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题目内容
Millie在动词的时态上需要帮助,你能帮帮她吗?
She said they ________(know)each other for quite some time.