Dr. Fleming,             discovered penicillin, was awarded the Nobel Prize of Medicine in 1945.

Câu hỏi :

Dr. Fleming,             discovered penicillin, was awarded the Nobel Prize of Medicine in 1945.

A that  

B which   

C whom 

D who

* Đáp án

D

* Hướng dẫn giải

Phương pháp giải:

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