It is easy to do as long as we know _____ to search information on the Internet.
问题描述：
It is easy to do as long as we know _____ to search information on the Internet.
空格处只能填how、when、whether.关键是填好啦怎麽翻译?
答
It is easy to do as long as we know (how) to search information on the Internet.
只要我们懂得如何上网搜索（所需）信息,这件事是容易做到的.这里的as分别是甚麽意思？as long as = 只要 as ... as是比较级固定用法 其他例子有 as happy as as easy as as good as 等等