求老师解答：— What have you bee
求老师解答：— What have you bee
| — What have you been busy with these days? — I ______ that the speech contest has been brought forward,so I ______ for it. | [ ] |
| A.was informed; have been preparing B.have informed; am preparing C.informed; have prepared D.was informed; prepared |
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你能帮帮他们吗