73、______ his examination of the patient,the doctor wrote out a prescription.A:Having finished

73、______ his examination of the patient,the doctor wrote out a prescription.A:Having finished

题目
73、______ his examination of the patient,the doctor wrote out a prescription.A:Having finished
A:Having finished?为什么
A:Having finished
B:Finishing
C:Finished
D:Having been finished
答案
主语是医生,这句话是说医生已经完成检查,因此是主动且完成的形式~
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