Though my grandpa is 60, he’s full of _____

试题详情及答案解析: Though my grandpa is 60, he’s full of ______ energy and like a young man.
A. a B. 不填 C. a; 答案：B; 试题分析：句意：虽然我爷爷60岁了，但是他总是像个年轻人一样充满活力。energy为不可数名词。结合句意，故选B
考点：考查冠词的用法。