Read the following passage about Ton That Tung's contributions to the medicine in Viet Nam. Mark the letter A, B, C, or D to indicate the correct word that best fits each blank.

Quiz

Ton That Tung

Ton That Tung was a famous surgeon (1) ________ made great contributions to the medicine in Viet Nam. From 1935 to 1939, he performed operations on over 200 livers of dead bodies and analysed them when he (2) ________ the Indochina School of Medicine and Pharmacy. After the Revolution in August (1945), he worked as a private doctor to take care (3) ________ Uncle Ho. A few years later, he became the director of Phu Doan Hospital (Viet Duc Hospital today). In 1958, he was the first doctor to (4) ________ heart surgery in Viet Nam. Later, in 1960s, he found a new surgery method to reduce bleeding (5) ________ shorten the time for the operation down to only four to eight minutes.