IN CHINA AN ANCIENT MEDICAL TREATMENT --- AS A ACUPUNCTURE IS SOME...

47. - 2 DE THAM KHAO THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh 2 DE THAM KHAO THI THU DAI HOC MON ANH VA DAP AN

47.

In China an ancient medical treatment --- as a acupuncture is sometimes used during surgery.

A to know

B knowing

C known

D knows