It is a good example of a site that many people think _____ to change.

I can’t believe that anyone else in the school can swim as fast as you, ________?

If it hadn’t been for the help of my English teacher, I          the first prize in the English Writing Competition. 

We would have called a taxi yesterday if Harold ______us a ride home.

---I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice.--- Oh, it ____ my uncle. He was in my room then.