b. stroke c. scrape d. chip → c 45. Her uncle won't her drive his car. a. allow b. let c. leave d. permit → b 46. Humid climate. a. frigid b. moist c. perilous d. sunny → b 47. What will I do if no one me at the airport? a. meet b. will meet c. meets d. met → c 48. Eliminate a problem. a. perceive b. wipe out c. aggravate d. create → b 49. Will his parents be able to all their financial difficulties? a. defeat b. overcome c. dismiss d. overtake → b 50. Although blood a residue in urine and stool samples, it cannot always be detected without the aid of a microscope. a. let b. leave c. leaves d. lets → c Test 59 Pronunciation 1. a. increase b. inside c. ink d. indoor → c 2. a. hook b. pull c. brook d. booth → d 3. a. must b. busy c. muscle d. muscular → b 4. a. with b. mathematics c. thank d. death → a 5. a. obtain b. obstacle c. obscure d. observe →b 6. a. bull b. full c. pull d. cull d Find the mistakes 7. He has done a valuable contribution to the independence of the country. a. done b. valuable c. to d. of → a 8. While he watched TV last night, a cat ran across the floor. a. watched b. ran c. across d. the → a 9. Children! It’s high time for you should tidy away those toys! a. ’s high time b. for you c. should tidy d. those toys → c Grammar and Vocabulary 10. His house is at the corner of a shopping street. a. situated b. placed c. stood d. put → a 11. Waitresses and waiters who serve deserve at least a 20 percent tip. a. in a courteous manner b. courteously c. with courtesy in their manner d. courteous → b 12. The fisher saw the plane crash into the sea when its engines . a. failed b. stood c. struck d. held → a 13. Choose the synonym of “Innocent beyond a shadow of a doubt”. a. lack of certainty b. lack of freedom c. lack of vision d. lack of courage → a 14. He was the last soldier left Vietnam. a. who b. whom c. which d. whose → a 15. Slender forms. a. round and curvy b. bright and shiny c. colorful and attractive d. long and thin