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

題目：

.--You are always full of ____ .Can you tell me the secret?
.--You are always full of ____ .Can you tell me the secret?
--Taking a lot of exercise and going on a balanced diet everyday.
A.power B.strength C.force D.energy
答案energy，告訴我爲何不能用strength，理由充分些，

解答：

strength 一般之能力,強度之類的 full of strength很少見,如果有後面都會跟點作.事 之類的 full of strength to...