there is 和there has been 的区别
there is 和there has been 的区别,还有there being 的用法there has been considerable waste in ultilization of these resources. 为什么不可以用there were considerable ...... One should be sensible about whether his ideal is well founded or not.这句话该怎么解释? Years ago, people considered owing radios, sewing machines, watches and bicycles as being modernized.这句话当中being modernized可以改成modernizing吗?
答：few 和few 都修饰可数名词 few很少，几乎没有，如：there are few books in the library图书馆中书很少。 a few 解...详情>>
答：I haven't window molding catalogs on hand. catalogs 产品目录 haven't ~ something ~ o...详情>>
问：head+hand+hardworking=success 什么意思
答：head+hand+hardworking=success 脑+动手+努力工作 = 成功详情>>
