I really found it difficult to read, for his eyesight was beginning to________.

In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs.

This Tuesday I ____ go to the music club.

 — Will you show me the photo of your family?— OK. I'll       it here next week.

Most Chinese children like to sleep with their mother. They are ＿＿ the dark.