In "What do/does a baby Range Rover and Altoids have in common?" the subject of the composite verb "do/does have" is "a baby Range Rover and Altoids", which is plural.
When should you ask a question with "do", and when with "are"? In other words, Are you going to Spain next week? Do you like Chinese food? What is the rule here? We don't sa...
What does "do" mean in "What do I do?" I think it means "What do I usually do?", but I don't know why anyone would ask what they usually do. Does it mean something else?
word usage - What does "do" mean in "What do I do"? - English Language ...
Do the needful is Indian English, which has been covered on ELU. If you're only interacting with other speakers of Indian English then feel free to use it, but avoid it in any other contexts (most Americans and Brits will think it's quaint/uneducated). In general, the "standard" form is do what [ever] is necessary, but in OP's specific context most likely nothing like that would be used anyway ...
What is the difference between We have and We do have? Has it same meaning or different meanings?
What do we do? is an interrogative sentence asking what course of action one should proceed with. The first do is one of those so-called auxiliary verbs in English that are used to form questions. The second do is nothing more than the main verb of the sentence. For example: I've cleaned the room up, done the dishes and the laundry. What do I ...