______ you ______ further problems with your printer, contact your dealer for ad

游客2023-11-20  7

问题 ______ you ______ further problems with your printer, contact your dealer for advice.

选项 A、If, had
B、Have, had
C、In case, had
D、Should, have

答案 D

解析 这里是虚拟语气的句型,省略了连接词if,所以情态动词should倒装了,用来表示将来如果有什么问题。但是这里不是表示与事实相反的假设,所以选项A不对。也不是疑问句式,选项B不对。而在 in case引导的状语从句中大多数情况是用should,也有用实义动词的陈述语气,所以选项C也错了。
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