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

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：译文：你总是精力充沛。能告诉我你的秘诀/ 奥秘吗？每天进行大量的运动。考点：名词辨义。be full of energy=be energetic.