A-A+

(If) the experiment succeeds or fails it will

2022-08-05 15:46:48 问答库 阅读 169 次

问题详情

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

参考答案

正确答案:A
解析:改为Whether。因为在从句中后面有个or,所以用Whether。

考点: