问题补充:
The schoolboy regretted after he didn pass his exam.
A. the time on TV
B. to spend so much time on TV
C. taking most of his time on TV
D. spending so much time on TV
答案:
A. the time on TV
B. to spend so much time on TV
C. taking most of his time on TV
(答案→)D. spending so much time on TV
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