Wed better wait till December Bill______ his exam by then so hell be able to enjoy himsel

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Wed better wait till December Bill______ his exam by then, so hell be able to enjoy himself.

A.will have had

B.has had

C.is going to have

D.will have

请帮忙给出正确答案和分析,谢谢!

热搜:在Sb2S3,HgS,Bi2S3,As2S3,SnS等物质中,不能溶于Na2S溶