________ you _______ further problems with your printer, contact your dealer选择题____ you_____ further problems with your printer,contact your dealer for advice. A.If,had B.Have,had C.Should,have D.In case,had说明答案和理由 重点请

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 05:56:59

________ you _______ further problems with your printer, contact your dealer
选择题____ you_____ further problems with your printer,contact your dealer for advice.
A.If,had B.Have,had C.Should,have D.In case,had
说明答案和理由 重点请讲解为啥不选除去should/have以外的选项

如果A是对的话,contact your dealer for advice.这句应该有主语,但是他没有主语,所以A错
如果B是对的话,contact your dealer for advice.这句应该有主语,但是他没有主语,所以B错
C是正确的,因为这句是一句典型的句型.之后是没有主语的.例如.
Should you have any problem,please feel free to contact me.

因为后一分句是祈使句而并未用虚拟形式"you should contact "故前一分句应理解成真实情形的一种假设,在表示假设的状语从句中用一般现在时表示一般将来