Due to the escalating price of construction materials, we will change the proced

游客2025-06-13 2

问题 Due to the escalating price of construction materials, we will change the procedures only______it becomes affordable.

选项 A、though
B、if
C、by
D、to

答案 B

解析语法：连词1．空格后出现主语和动词，应该填入一个连词.因此介词选项C、D排除。2．内容上表示条件的连词if更恰当。A选项though是表示让步的连词，only if也是连词，意为“只有”。

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