问题补充:
It is waste of time for young men to devote themselves to playing computer games on Internet only for pleasure.
A. /; the; /
B. the; the; /
C. a; the; a
D. a; the; /
答案:
A. /; the; /
B. the; the; /
C. a; the; a
(答案→)D. a; the; /
解析:前面a waste of time/money…”为固定短语;中间为on the Internet,表示特指; 后面为for pleasure=for fun,为固定短语。