2. 外语
  3. This is an illness that can result in total blindness _________ left untreated.

This is an illness that can result in total blindness _________ left untreated.

admin2012-09-13  34
问题 This is an illness that can result in total blindness _________ left untreated.
选项 A、after
B、if
C、since
D、unless
答案B
解析 真实条件句的缩略式。完整的真实条件句是“if the illness is left untreated”。请参阅第一套模拟题注释74。
转载请注明原文地址:https://jikaoti.com/ti/D5OMFFFM
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)