-Where is Ben? -He ___ to the teachers' office.He will be back soon. A.go B.has gone C.has been

问题描述:

-Where is Ben? -He ___ to the teachers' office.He will be back soon. A.go B.has gone C.has been
-Where is Ben?
-He ___ to the teachers' office.He will be back soon.
A.goB.has goneC.has beenD.is going

B,用现在完成时