Mr. Smith, I should tell you this is the fifth time you ______ me for my twin sister.
We asked the teacher to explain _______.
—Did you see a man in black pass by just now? —No, sir. I ______ a newspaper.
Only by working hard can you ______ the goal.
—Did you have ________ fun at the party? —Yes. It’s ________ shame that you missed it.
I don’t allow you ________ so high a mountain.