... ĐỀ KIỂM TRA HỌC KỲ II – Test 15 A. Structure 1. The population of cities in the Eastern and Northern areas ... lower) the (D. instances of) heart attacks in people. 22 . (A. The more) you (B. pull) on a square knot, the (C. tightest) it (D. gets) 23 . The koto, a japanise string instrument, (A. consists ... demand) and adequate supply. 20 . On (A. New Year's) Day. Most Americans watch footnall (B. on) TV, (C. visiting) friends, and relax (D. around) the house. 21 . Scientists (A. have been...