Question

Which sentence uses a verb that agrees with its compound subject?


A.
Now either blankets or a thick coat keep us warm.


B.
Calcium and magnesium is necessary for strong bones.


C.
Those children and the tired adult have waited many hours.


D.
Sam and Li rides their skateboards around the neighborhood

Answer 1

Again read your sentences aloud, which do you think?

Answer 2

i think its c

Answer 3

Me too :)