从方框中选择合适的短语并用其适当形式填空。（有一项多余）

drop by；  fall down；  ever since； on one’s own； by accident；  fall asleep

 
Last night he found it difficult            because of the loud noise outside.
My uncle always            my home when he came to our city.
He went to France the year before last and I haven’t heard from him           then.
He didn’t get any help and had to complete the work           .
I really don’t want to know your secret. I only found it           .