Write the answers

Complete the second sentence so that it means the same as the first one. Use one or two words.

1. That's why when something useful is invented, it quickly becomes a necessity.

   That's why when people [ ] something useful, it quickly becomes a necessity.

2. She actually created the way of using the weak glue to make Post-it™ notes after some failures.

   The way of using the weak glue to make Post-it™ notes [ ] after some failures.

3. Lego was set up by a creative man in Denmark — the toy company that provides children with entertaining kits.

   A creative man [ ] Lego in Denmark — the toy company that provides children with entertaining kits.

4. People have accepted the idea of cheap air travel.

   The idea of cheap travel [ ] accepted.

5. She must print a book that contains the first chapters of 15 other different books.

   A book that contains the first chapters of 15 other different books must [ ] soon.