We’ve just installed two air conditioners in our apartment, _____ should make great differences in our life next summer.

We’ve just installed two air conditioners in our apartment, _____ should make great differences in our life next summer.
A which
B what
C that
D they
回答错误
你的答案:
参考答案:A
解析:
空格处缺少一个关系代词，由于该非限制性定语从句先行词是air conditioners，所以关系代词应用which。句意为：我们刚在公寓里装了两台空调，明年夏天我们的生活应该会大有不同。

故选项 A正确。