Sales of CDs have greatly increased since the early 1990s, when people_____to enjoy the advantages of this new technology

32. Buses have routes. They ________ and ________ people at different places on the routes.

Did the guard let you in? — No, _____ I told him who I was.[ ]

As a teacher you have to________your methods to suit the needs of slower children.

28．Besides hotels，there are also families_____visitors can experience the warmth and kindness of the local people