Question

【题目】The energy from the sun and wind is very cheap and it will never .

A. come out B. put out

C. carry out D. run out

Answer 1

【答案】D

【解析】

试题分析：句意：太阳能和风能非常便宜而且永远用不完。A. come out出来，出版；B. put out扑灭，熄灭；C. carry out执行，开展，搬出去；D. run out用完，耗尽。根据句意，太阳能和风能用之不尽，取之不竭。故选D。