To save class time, our teacher has ____ students do half of the exercises in class and complete____ for homework.
116. His voice was ____ out by the traffic.
114. Never _____ a conclusion without investigation.
113. He, out of breath _____ himself along the street. Perhaps he was badly ill.
112. His mother was ill yesterday, so he had to _____ a doctor.
111. Morning exercises will ____ good to your health. You should keep early to bed and early to rise.