where () my penci?括号后面用is还是are

这是一个考查主谓一致的题目.
首先,这是一个表示选择关系的句子,所以要用就近原则,也就是最靠近谓语动词的那个名词相一致,所以正确的答案如下:
Where is your pen or your pencil?

扩展阅读：where is my pencil box ... here you are ... 笔盒box回家地址 ... you are welcome ... have some bread ... the pencil is green ... there is no game ... how about my pencil box ... it s in your desk ...