Some people may have been daunted by the task because of the difficulties it bri

游客2025-03-20 4

问题 Some people may have been daunted by the task because of the difficulties it brings, but I do not know of______.

选项 A、them doing so
B、any having done so
C、their doing like that
D、any doing that way

答案 B

解析用any与not呼应，用完成式表示"至现在还不曾知……"，所以应选any havingdone so，相当于any who have done so。

转载请注明原文地址:https://tihaiku.com/zcyy/4005117.html

相关试题推荐

随机试题

最新回复(0)

Hetriedtorelaxbecauseheknewhewoulduseupmyoxygensooner______.A、them