— Sam, you don’t work hard at geography.— My dad says that the world is changing every day, I decide to wait until it stops.
--What were you doing at 9 o’clock last Sunday morning? --I ________.
The accident ________ a windy night last year.
--How about your English? --I found ________ hard to learn it well.
He looks upset. He doesn’t know ________.
Mrs. Smith eats _______ meat, so he is ________ fat now.