A(If) the experiment succeeds or fails, it will B(provide us) with valuable C(experience) which is essential to D(improving) our

admin2012-08-03  32

问题 A(If) the experiment succeeds or fails, it will B(provide us) with valuable C(experience) which is essential to D(improving) our future work.

选项

答案A

解析 改为Whether。因为在从句中后面有个or,所以用Whether.
转载请注明原文地址:https://kaotiyun.com/show/lKJO777K
0

最新回复(0)