The headmaster for more than two weeks.A. has leftB. has goneC. has been awayD. has come b

问题补充：

The headmaster for more than two weeks.

A. has left

B. has gone

C. has been away

D. has come back

答案：

A. has left

B. has gone

(答案→)C. has been away

D. has come back

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