两道英语情态动词的题Where__that noise be coming fromA.could B.may C.must D.willHe didn't agree with me at first but I__persuade him.A.was able to B.needed C.could D.dared第一题为什么不能选B?第二题为什么不是C?

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两道英语情态动词的题Where__that noise be coming fromA.could B.may C.must D.willHe didn't agree with me at first but I__persuade him.A.was able to B.needed C.could D.dared第一题为什么不能选B?第二题为什么不是C?

两道英语情态动词的题Where__that noise be coming fromA.could B.may C.must D.willHe didn't agree with me at first but I__persuade him.A.was able to B.needed C.could D.dared第一题为什么不能选B?第二题为什么不是C?
两道英语情态动词的题
Where__that noise be coming from
A.could B.may C.must D.will
He didn't agree with me at first but I__persuade him.
A.was able to B.needed C.could D.dared
第一题为什么不能选B?
第二题为什么不是C?

两道英语情态动词的题Where__that noise be coming fromA.could B.may C.must D.willHe didn't agree with me at first but I__persuade him.A.was able to B.needed C.could D.dared第一题为什么不能选B?第二题为什么不是C?
第一题是不是选could?我个人认为用may是不好的,因为may是比较主观的说法,一般指人,could是指物
第二提明显是a ,如果用could的话说明我还没有劝服成功,be able to有做成功的意思的