* Choose the word or phrase (A, B, C or D) that best fits the blank space in each sentence: 1. He is not clever. If he _______ clever, he ________ solve that problem without any difficulty. A. was not/ would B. were/ wouldn't C. were/ would D. was/ wouldn't 2. If someone_____ in here with a gun, I'd be very frightened A. would walk B. had walked C. walks D. walked 3. That would happen if you_____ to work tomorrow? A. don't go B. won't go C. didn't go D. wouldn't go 4. I'm sure she_____ if you explained the situation to her. A. would understand B. will understand C. had understood D. understood 5. We'll get wet if we_____ out A. go B. went C. did go D. had gone 6. If I go shopping, I _____ some food. A. buy B. will buy C. would buy D. would have bought 7. If they_____ soon, I'm not going to wait. A. hadn't come. B. won't come C. don't come D. didn't come 8. If I find it, I _____ you. A. will tell B. would tell C. had told D. told 9. What would you do if you_____ a million dollars? A. would win B. win C. had won D. won 10. They'd be hurt if I_____ A. don't go B. didn't go C. hadn't gone D. wouldn't go 11. Like many other baby birds, ducklings are blind _______ birth. A. of B. at C. on D. from 12. Lack _______ food had stunted his growth. A. of B. in C. for D. on 13. Nigeria has a population _______ nearly 100 million. A. about B. in C. of. D. with 14. The rapid growth of population led to an acute _______ of housing. A. shortfall B. shortcut C. shortcoming D. shortage 15. The population of the world is growing at a dangerous _______. A. amount B. rate C. figure D. way 16. One third of the world's population _______ two thirds of the world's resources. A. drains B. absorbs C. consumes D. supports 17. Better health care and agriculture have led to rapid population _______. A. grow B. growing C. grown D. growth 18. Pressure on natural resourses will _______ as we face a population explosion. A. increase B. decrease C. decline D. raise 19. Her first novel has been _______ acclaimed as a masterpiece. A. nation B. national C. international D. internationally 20. Our school has managed to collect a lot of books to _______ to the children in a village school. A. publish B. distribute C. employ D. depart