题目内容
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
D 【解析】句意:他的胳膊好了,他没有必要去看医生了。A. has not to没有这种表达方式,故排除A; B. don't have to不必;C. haven't to没有这种表达方式,故排除C; D. doesn't have to不必。根据His arm is all right胳膊好了,没有必要不看医生了。句子的主语是第三人称单数he,所以谓语动词也用单数形式。故排除C。故选D。...
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