his arm is all right.he go and see the doctor.A.has not to B.don't have to C.haven't to D.doesn't have to 选哪个?
问题描述：
his arm is all right.he go and see the doctor.
A.has not to B.don't have to C.haven't to D.doesn't have to 选哪个?
答
你好,同学
正确答案：选D
即：
His arm is all right. he doesn't have to go and see the doctor.
翻译：他的胳膊好了,他不必去看医生了.
解析：have to 表示必须时,强调客观原因,而且有人称和时态的变化,本句是一般现在时,否定句用助动词doesn't have to,因为主语是单三
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