Task 1: Fill the missing words in the blanks. Imagine your life without (0) electricity. Before electricity, we didn’t have useful things such as (1) __________, computers and mobile phones. Inventors need (2) __________ and (3) __________. Before the rubber, people used bread to rub out writing! In 1839 Charles Goodyear had an (4) __________. He (5) __________the modern rubber. Task 2: Put the correct form of the verbs in blankets. 1. We _________________ (not/ have) a test next month. 2. The children must ___________ (wash) their hands before eating. 3. Last year, I ______________ (graduate) from University. 4. ______ the boy _______________ (have to/ water) his tree every day? 5. You should __________ (take) some pill when you are sick. 6. What ________ you ________ (do) in the future? 7. We ________________ (not / watch) TV last night. 8. My best friend – Lam always ________ (have) dinner at 6 p.m. 9. They ______________ (not/ used to) take photos outside long ago. 10. My classmates often ______________ (chat) in the class. It’s bad.