题目内容：

I would have a long talk with him if it had been possible,but I ---so busy then.填was还是would be

优质解答

一定是was,前边是虚拟语气,意思是说:"如果可能的话,我将与他长谈",(事实上,我没有和他长谈)所以,答语应该是:"我当时忙即i was busy then",要使用正常语气,表示过去忙.