youfurther problems with your computer, contact your.dealer for advice.

admin2012-10-20 45

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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专业英语四级

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