______you______further problems with your computer, contact your.dealer for advi

游客2023-11-15  22

问题 ______you______further problems with your computer, contact your.dealer for advice.

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

答案 C

解析 情态动词should可以用于虚拟语气的条件从句,语气较强,表示可能发生的事件或可能出现的情形,有时可放在从句的开始部分,这时if要省略。
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