--Whyhashebeenstayingathometheseday

发布时间:2020-08-04 22:14:54

--Why has he been staying at home these days?
--He ___________ since a month ago.A.has been out of workB.was out of workC.has lost his workD.had left from his work

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A解析答语中有since引导的时间状语,限定了句中的动词为持续性动词。
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