The solution cannot be determined ______the problem is identified.A、ifB、whenC、

游客2025-06-14  2

问题 The solution cannot be determined ______the problem is identified.

选项 A、if
B、when
C、until
D、which

答案 C

解析 Until indicates a time or an action that another action depends upon. Choice(A)is conditional and is not logical in the sentence. Choice(B) indicates a time relationship but is not logical in the sentence. Choice(D)is a relative pronoun.
转载请注明原文地址:http://tihaiku.com/zcyy/4118639.html
最新回复(0)