The child sat in the dentist's chair _______.
129. After a long riding, the passengers in the bus were very tired and some of them ____ asleep.
128. Their voices __________ to a whisper and I didn’t know what they were talking about.
127. The South African student always keeps in touch with his family by e-mail and never _____ to write to his mother.
126. The reason for the strike was that the company _____ its workers _____ long hours and low pay.
125. All the parents at the meeting their concerns about their children's safety.