The letter he had been looking forward to came at last this

The letter he had been looking forward to came at last this The letter he had been looking forward to（arrive） at last. the day they had been looking forward to came at last 为什么用ca The day we had been looking forward to _ at last.A.came B.co The letter I was looking forward to came at last.为什么用came不用 3.The letter he had been looking forward to________at last t .the day we had been looking forward to ___at last..A came B the moment you'd been looking forward to came at The day-my birthday-I had been looking forward to __ at last 1.( ) The day we had been looking forward to at last The moment I've been looking forward to()at last The letter I had been looking forward to ,however,——me three