英语,You ___ in your homework by now,but to my disappointment,

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英语,You ___ in your homework by now,but to my disappointment,you didn't.A.are supposed to han
You ___ in your homework by now,but to my disappointment,you didn't.A.are supposed to handed.B.must have handed.C .are supposed to hand.D.must hand.帮忙翻译下,并说明选项的理由,

答案：B.must have handed.
很明显,这个句子是一个虚拟语气,
这里之所以用must have handed,这是一种肯定的推测,实际上表示的是责备.
翻译：到现在为止,你肯定上交了家庭作业,但是,令人遗憾的是,你没有交.
明白了吗?

英语,You ___ in your homework by now,but to my disappointment, you are supposed to have handed in your homework by now .by是同义句转换.1.You don't need to do your homework right now You ___ I ___ tell you to bring your homework but you still forgot.A 1、You ___（not have）to do your homework now. you must to hand in your homework by 10 oclock哪里错了 you may hand in your homework tomorrow.转成------------ by you ___(必须) I finish my homework now? No.you ___.You ___ finish you must hand in your homework now 改为被动语态 --Must I hand in my homework now?--No,you___.You 组成句子：but,have,you,to,your,finish,first,homework I did my homework last night but now I ___(can not)find it.