Which is plural of 'Deer'?

এই টপিকের আরও কিছু প্রশ্ন:

• 'They rested at sunset'. Here is a/an-
• Which one is the singular number of the following words?
• Is there any milk in that jug? Not -.
• information was just what they needed. Here 'such' is--------
• The gender-inclusive term for 'airman' is_______________.