我还没决定要和谁一起去上海。用英语怎么说

这个句子应该使用定语从句

I have not decided whom I should go with to Shanghai.

我还没决定要和谁一起去上海。
I haven't decided whom I will go along with to Shanghai.

I haven't decided with whom I will go to Shanghai.

I have not yet decided to go to Shanghai and with whom.

I have not decided ,with whom ,to go to Shanghai .