to forget is a good way to solve our problems and we can also deal with them by of something worse.
Betty, why didn't you answer the phone last night? —Oh, sorry about that. My mobile phone ______ in the living room.
Stop talking, Andy. You ______ your work yet. —Sorry, sir. I'll do it right away.
The fire______ in a shoe factory and burned an area of more than 800 square meters.
Happiness isn't getting all ______ you want. —I can't agree more. It's all about enjoying what we have.
______ terrible world it would be if there were no electricity ! —That's why we have to save it.