1 . His class makes complex ideas attractive and ________ (access) to children. (所给词的适当形式填空)

2 . The library in the city is ________ (access) to people at weekends. (所给词的适当形式填空)

3 . Though making entrance fees compulsory will make museums less ________ (access) to some, many museums do have certain days of the week when admission is free.(所给词的适当形式填空）

4 . People have made some adaptations of this novel to make it more ________ to young readers.

A．available

B．approachable

C．accessible

D．adjustable