Does she _____ clean the classroom today?A.has to B.have to C.has D.have

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Does she _____ clean the classroom today?A.has to B.have to C.has D.have

Does she _____ clean the classroom today?A.has to B.have to C.has D.have
Does she _____ clean the classroom today?A.has to B.have to C.has D.have

Does she _____ clean the classroom today?A.has to B.have to C.has D.have
B
前面有助动词do
后面用用原型~
have to do 不得不~
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B
does 后接动词原形,排除A与C,而D后不能接动词原形。
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B,前面有助动词does了 后面动词还原到原形 have to