I'm really at a loss!

I'm really at a loss! Is really at a loss ... I'm completely at a loss I really care about you,if I lose you,I will be at a loss wh i'm quite at a loss to guess i'm at a complete loss.i'm looking for some sugar. I am at a loss for ouraffection there are five pairs ___,but I'm at a loss which to buy. There are five pairs___, but I'm at a loss which to buy. 答案是 1.There are five pairs ______,but I'm at a loss which to buy I’m completely at a loss the know what to do next,what shoul I'm at a loss as to what to do and feel lost