2. 外语
  3. It has been too late, __________ (当人们认识到这些食品不安全时).

It has been too late, __________ (当人们认识到这些食品不安全时).

admin2009-08-19  27
问题 It has been too late, __________ (当人们认识到这些食品不安全时).
选项
答案by the time people find that the food is not safe
解析 ① by the time+从句表示“当……时”，在此句型中，主句的时态往往用完成时态；② find表示“认识到”；③ food is not safe表示“食品不安全”。
转载请注明原文地址:https://kaotiyun.com/show/mrpK777K
0

大学英语六级

相关试题推荐
随机试题
最新回复(0)