Exploring Writing 2nd Edition by John Langan

Exercise 126

Write the contractions for the words in parentheses. One is done for you.
1. (Is not) Isn't the trigonometry exam scheduled for the last week of December
2. I (do not) know (who is) invited to Dillon's birthday party.
3. (It is) unfortunate that the classes I need to take (are not) offered this semester.
4. Our teacher (can not) expect us to know all the answers because (we are) still learning the material.
5. (I have) a reservation at the Italian restaurant for Saturday night, but I (could not) get tickets to the concert.