Where are my trousers? Or Where is my trousers?

[Msudan]

Hi, Trousers/shoes/pants - for these nouns, i would like to confirm the following questions are correct or not.

Where are my trousers? Or Where is my trousers?
Where are my shoes? Or Where is my shoes?

[Mister Micawber]

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Where are my trousers/pants/shoes/scissors/glasses?
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Native English teacher at Mister Micawber's

[Drquangsam]

Thanks very much! That is my wonder.