1.Carol used to travel a lot but now she does not.
2.When I (came) home yesterday evening, the dinner was ready.
3.I (was thinking) of you as you (walked) into the room.
4.The children never (ride) their bikes on the road.
5.My elder brother often (used) to help me with my homework.
6.Where did you find my keys? I (lost) them two days ago.
7.It was O’K in the beginning but then everything went wrong.
8.I am trying to concentrate but it’s not easy with all this noise.
9.They were arguing about something all day. It sounded serious.
10.While I was reading a book to my son he fell asleep,