pp1-96

forevergloria

96. Cyclamates were introduced in the early 1950's

   as alternative sweeteners for use by individuals

   who needed reducing their sugar intake for

   medical reasons.

need doing sth为什么错了呢？

thx~~~

claudiaPQ

这里应该为 needed 不加成分.

sunweiyuan

不是改成needed to reduce么？？