The children are full of . They have been playing all day long without resting.A. forceB.

问题补充：

The children are full of . They have been playing all day long without resting.

A. force

B. power

C. energy

D. strength

答案：

A. force

B. power

(答案→)C. energy

D. strength

解析：词义辨析. A.武力;魄力 B. 功率;力量 C. 精力;活力 D.力量;力气.根据题意,孩子们充满活力.他们整天玩耍毫不休息.选C.