My brother is on a special _______ to lose ________weight.
A. food; / B. food; his C. diet; / D. diet; his
My brother is on a special _______ to lose ________weight.
A. food; / B. food; his C. diet; / D. diet; his
C
food指“食物”, 泛指任何能吃且有营养的东西, 为不可数名词; diet指“日常饮食”, 特指维持健康的定质或定量的食物, 为可数名词。根据句意, 第一个空应为“在节食”, 应用be on a diet; lose weight是固定短语, 故选C。