Exercise 7 Give the correct form of the verb to be.

Exercise 7 Give the correct form of the verb to be. 1. Where _________________ your trousers? 2. _______________ 3 pounds enough to eat out? 3. Tonight, there _____________ athletics on TV. 4. Money ________________ easy to spend and difficult to save. 5. The formulae _____________________ difficult to remember. 6. My luggage ________________ too heavy to carry. 7. Physics _____________ my favourite subject. 8. Measles ______________ a common illness. 9. Darts __________________ a popular game in England. 10. My phonetics _____________ getting better. 11. The bacteria ____________________ dangerous. 12. The oasis _________________ green and shady. 13. Three days ____________ too long. You must do it on Monday.