If we (know)______that the books were available, we would have bought them yeste

游客2023-09-27  34

问题 If we (know)______that the books were available, we would have bought them yesterday.

选项

答案 had known

解析
转载请注明原文地址:https://tihaiku.com/zcyy/3050312.html
最新回复(0)