题目内容
用适当的“介词＋关系代词”完成句子
Is this the reason ________ ________ you came late this morning?
We then moved to Paris ________ ________ we lived for six years．
We still remember the day ________ ________ we got married．
The room, ________ ________ we had lessons in the past, has disappeared now．
China has many islands, ________ ________ Taiwan is the first largest．
