问题补充：
---I think everyone needs the sun.
---Yes, it can light and heat itself.
A. give up
B. give in
C. give out
D. give to
答案：
A. give up
B. give in
(答案→)C. give out
D. give to
解析：
试题分析: 句意：我认为每个人都需要太阳。是的，它本身能发光和热。give up放弃，give in投降，give out发出，give to给；根据 light and heat光和热，可知选C
