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Thời gian làm bài: 50 phút, không kể thời gian phát đề Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 1 to 5. General Võ Nguyên Giáp, born in 1911 in Quảng Bình Province, was widely revered as one of the twentieth century’s most brilliant military strategists. Despite having no formal training at a military academy, Giáp, through sheer self-study and tactical genius, (18) ________. In his youth, Giáp earned a degree in law and economics and worked as a history teacher, an occupation that deepened his appreciation for patriotic struggles. He began his revolutionary activities in the late 1930s alongside fellow patriots, forming specialized combat units (19) ________. His brilliant military command came to prominence during the resistance against colonial rule. (20) ________. Most notably, his ingenious logistics and flexible "strike surely" strategy during the historic campaign at Điện Biên Phủ in 1954 captured international admiration. General Giáp’s tactical choices demonstrated a deep empathy for soldiers’ lives and an acute understanding of guerrilla warfare. His stature extended well beyond national borders, earning genuine respect from military historians and former adversaries alike. He authored numerous seminal treatises on revolutionary defense tactics. Furthermore, prioritizing national harmony and collective dignity, (21) ________. Following the nation's reunification, (22) ________. Until his passing in 2013 at the age of 102, he was fondly remembered as the "Elder Brother" of the Vietnam People's Army, leaving behind a lasting monument of integrity, strategic brilliance, and humility.