填空题

More and more new types of energy resources have been exploited ______.(来代替煤和石油)

【参考答案】

to replace coal and oil
<上一题 目录 下一题>
热门 试题

填空题
A test of the brain’s electrical activity shows that women commonly use both sides of their brain while men rely more on one.
填空题
Many people think ______(学习的责任在学生) rather than teachers.
相关试题