Onereasonthatwehaven’thadhislette

发布时间：2020-07-27 03:05:13

One reason that we haven’t had his letter is that he ________ it to our old address by mistake．A.might sendB.may have sentC.should sendD.should have sent

网友回答

B解析他可能已经把信错发到旧地址了。对过去进行推测：may have done…
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