2. 外语
  3. ______you______further problems with your computer, contact your.dealer for advice.

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

admin2012-10-20  59
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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