this is where our problem lies这就是我们的问题所在,可不可以说成this is which our problem lie?或者this is our problem is/lie/lies?为什么不可以?

A：this is our school.B：wow.where is the（ this is our school where we learn if we're This is our classroom.Where's___（他们的）? where is our computer where is our school? ----_______is this?----this is our language lab A、What B、Where C、How this is our pen---------------- This is our final this is our classroom doors face south.A which B whose C of which D where 有首歌歌词是Baby this is where our story starts求歌名 this is where our problem lies这就是我们的问题所在,可不可以说成this is which our problem lie?或者this is our problem is/lie/lies?为什么不可以? This is house where we Where is ( ) going this evening? Where are our cars?-----They are over there.___________________A This is the way B This way,please C That is all right D Here is the car This is our last p(). this is our time是什么意思 This is our witness of This Is Our Town 歌词