The research is so designed that once nothing can be done to change it . A.begins B.having begun C.beginning D.begun ada and Australia help to English food. A.provide - for B.supplu - to C.provide - with D.supply- with 【查看更多】
题目列表(包括答案和解析)
(NMET 2002)The research is so designed that once ________ nothing can be done to change it.
