翻译下这两句句子

I put on my coat only to find the first button missing.

He went to answer the phone at hearing the ring.

I put on my coat, but find that the first button is missing.
As soon as he hears the phone ring, he gets to receive it.

I put on my coat only to find one of the buttons is lost.

He went to answer the phone as soon as he heard it rang.

I put on my coat,find one of its button missing!
He went to answer the telephone as soon as it rang!

After dressed the clothes,i found that the first clasp has lost.

He picked up the phone as soon as it rings.