Unlikethefossilfuelsoftoday,biofuelsarerenewablesources...
来源:国语帮 1.24W
问题详情:
Unlike the fossil fuels of today, biofuels are renewable sources, which mean that they will not ____ easily.
A. come out B. break out C. turn out D. run out
【回答】
D
知识点:动词
题型:选择题