--Why are you so late ?--I was on the way when it suddenly__to me that I had left my notebook home, so I had to fetch it.
— That’s a lovely dress. — Do you think so? My aunt gave it to me for my birthday, but I don’t ____the color.
Old memories are often ____ when you hear a particular song or a piece of music.
Do you mind if I ____with my work while you are getting tea ready?
The gentleman does not ____the argument but watches the other guests.
If people keep polluting the rivers, no fish there will survive ___.