Test 5 Inventions and Discoveries містить 4 варіанти по 3 завдання кожен.
Task 1. Put the verb in Active or Passive Voice.
Task 2. Match the names of the scientists with their inventions; then make up sentences, as in the example.
Task 3. Write about 3 inventions you consider the most important /harmful in your life. Explain why.
