1 . 选词填空

A recognized                 B. addicted          C. requested               D.confused

1. If you have questions or are ________ about anything, email me.
2. He admits that recently he has become ________ to playing online games.
3. Visitors are ________ not to touch the exhibits.
4. Arthur Miller is universally ________ as one of the greatest dramatists the 20th century.