... D. My friend 30 . The tetracyclines, antibiotics, are used to treat infections. A. are a family of B. being a family C. a family of D. their family is QUESTIONS 31 - 35 : Read the following ... of bed on the wrong ?" A. end B. edge C. foot D. side Nguyễn Thanh Tuấn – GV Tiếng Anh – THPT Tứ Kỳ - Tứ Kỳ - Hải Dương Page 9 of 40 21. From these and observations, ... PRACTICE TEST 4 QUESTIONS 1 -3 : Choose one word whose underlined part is pronounced differently from the rest...