---You are always full of . Can you tell me the secret?---Taking plenty of exercise every

问题补充：

---You are always full of . Can you tell me the secret?

---Taking plenty of exercise every day.

A. power

B. strength

C. force

D. energy

答案：

A. power

B. strength

C. force

(答案→)D. energy

解析：考查名词辨析：A. power能量，B. strength力量，C. force 武力，动力， D. energy精力，句意：--你总是经历充沛，能告诉我秘密吗？-每天锻炼。Be full of energy精力充沛，选D。