A. chemist B. class C. how many D. abolish A. insoluble B. practical C. dog D. shirt A. ill B. thanks to C. amusement D. driver A. farmer B. antibiotic C. piece D. traffic police A. nurse B. north-east C. on the contrary D. deed A. forehead B. fat C. apology D. racing A. fifteen B. pastoral C. sum D. minus A. clever B. happy C. have an effect on D. cellphone A. Niagara Falls B. socks C. cool D. cell A. honestly B. quit C. shape D. seventeen