--- Did Ann come to the party?--- I don’t know.She _____ aft

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--- Did Ann come to the party?--- I don’t know.She _____ after I was away.A.must have come
-- Did Ann come to the party?
--- I don’t know.She _____ after I was away.
A.must have come B.might come C.may have come D.could come
选哪个?为什么

出题人搞错了.
没有一个选项是对的.答案应该是might have come.
might + 完成式谓语 -------表达的是对过去的事情的猜测,把握不大.
must have come ------- 把握大,非常肯定,在这里就与 I don’t know相矛盾了.

—Did Mary come to the party?—I don't know.She__while I was o They r___ would like you to come to the party.I don't know t why didn't alice come to the party last night?I don't know w why didn't alice come to the party last night? I don't know I don't know the reason why he did't come to the meeting yes I don't know when she _____(come),but when she _____(come),I I don't know what to wear for the party I don't know what I i don't know if Mr.Li.to the party.i think he will come if h i don t know what ------(bring)to the party How did she come here yesterday?I don't know.(合并为一句) Did mary come to the party I do not know .she_wh She didn't come to the party last Sunday._____,she must have