... turning oft the thermostat. (B) There is no thermostat on the second floor. (C) The other tenants want a thermostat. (D) The second floor has enough heat. 154 . When should the thermostat ... Select the best answer for each question and mark the letter (A), (B), (C), or (D) on your answer sheet. PRACTICE TEST FOUR 151 148 PRACTICE TEST FOUR Questions 150 - 152 refer to the following ... is comfortable for you and your office staff, but please remember that we need to consider the comfort of everyone in the building. Thank you for your cooperation. 153 . What is the problem?...