According to many scientists, solar energy will be used ______ (extend)in the 21 st century.

admin2009-05-28 74

问题 According to many scientists, solar energy will be used ______ (extend)in the 21 st century.

选项

答案答案extensively

解析词性转换。此处需要一个副词来修饰动词。其词形变化是：extend(动词)→4extensive(形容词)→extensively(副词)。

转载请注明原文地址:https://kaotiyun.com/show/rXvK777K

大学英语三级A级

相关试题推荐

随机试题

最新回复(0)