英语造句：用反复疑问句,造5个句子加翻译

I don't believe that he can translate this book,can he?我不相信她能翻译这本书,对么?
Let me help you,will you?让我帮你,好么?
He can hardly swim,can he?他几乎不会游泳,是么?
He looks unhappy,doesn't he?他看起来不高兴,是吗?
There isn't any milk left,is there?一点牛奶没剩,是吗?