2. 外语
  3. Some people viewed the findings with caution, noting that a cause-and-effect relationship between passive smoking and cancer rem

Some people viewed the findings with caution, noting that a cause-and-effect relationship between passive smoking and cancer rem

admin2015-04-24  34
问题 Some people viewed the findings with caution, noting that a cause-and-effect relationship between passive smoking and cancer remained______.
选项 A、to be shown
B、to have been shown
C、to have shown
D、being shown
答案A
解析 非谓语动词。根据句中的意思可知是一般将来时态，所以应选择动词不定式的非谓语作宾语。故答案为A。
转载请注明原文地址:https://kaotiyun.com/show/FgLO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)