______you ______ further problems with your printer, contact your dealer for adv

游客2025-05-04  1

问题 ______you ______ further problems with your printer, 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 should表示语气较强的假设,意为“万一,竟然”,用于条件从句中,if可省略,should要置于从句的开头。
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