“ByOctober1Ishallhavebeenteaching

发布时间：2020-07-25 23:41:15

“By October 1 I shall have been teaching at this school for 20 years,”he said.He said by October 1 he ________at that school for 20 years.A.would have been teachingB.had been teachingC.have been teachingD.will have been teaching

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A
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