专四

单选题If only the patient __ a different treatment instead of using the antibiotics, he might still be alive now

A．had received
B．received
C．should receive
D．were receiving

参考答案：A进入在线模考
【译文】要是病人没有使用抗生素而是接受了不同的治疗，他可能现在还活着。
if only的用法。if only常常用来表达强烈的愿望或遗憾，主要用在虚拟语气中。由于所提事实与过去事实相反，所以用过去完成时，选A。

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