Answer:
1. William Shakespeare and his wife Anne, had three children: Susanna, Hamnet and Judith.
- In the sentence, a colon is used after the first clause to mark the beginning of a list.
2. Greeks invented drama; Americans invented rock’n’roll.
- Because there are two connected independent clauses in this sentence, a colon is used.
3. Heraclitus gives the best advice about the phenomenological world: “You cannot step into the same river twice”
- There is a colon because the sentence is a complete thought, and the quote comes after it.
4. He wants to move to a Midwestern college town: Madison, home of the University of Wisconsin; Iowa City, home of the University of Iowa; or Ann Arbor, home of the University of Michigan. After “He wants to move to a Midwestern college town”
- A semicolon, which marks a list with commas inside, and a colon, which starts a new sentence, come between the two Universities.
5. Leticia loves Oxford commas; Dolores, however, does not.
- The semicolon marks the pause in between ideas in two related but distinct sentences.