1 . He was badly injured in the accident last night and __________(operate) on now. (所给词的适当形式填空)

2 . The doctors decided to o______ on her immediately. (根据首字母单词拼写)

3 . We discussed the pros and cons of changing the company's ________ (操作) system. （根据汉语提示单词拼写）

4 . It’s nearly four years since I worked in that firm. I ________ a band with other fellows.

A．operated	B．had been operating
C．was operating	D．am operating

5 . —I hear a Tibetan student in your school ________ and that you’ve raised money for him.
—Well, the doctors are considering a conservative therapy.

A．was operated on	B．will be operated on
C．is being operated on	D．has been operated on

6 . The headmaster decided to have a word with whoever is ______ this matter.

A．responsible for	B．in the charge of
C．operated	D．connected for