1. was (because Nobody is a singular subject)
2. has (because neither is a singular subject)
3. is (because everybody is a singular subject)
4. has ( because some is singular)
5. Are ( because all can be both singular and plural, you look at the object of the preposition, which is plural, therefore, it is are)
Answer:
only slightly warm/ lukewarm
B. Not all sources have accurate information
According to your question equality have number to his name because some people speak in different language
Back than people understood each other by signs
Upperclassmen is the misspelled word
It’s upperclassman
Hope that helped