In which sentence do the subject and verb agree? The soccer team run laps around the field to warm up before a game.

Marlo, the oldest in the family, often reads to her little brother and sister.

Nobody but Dominic know the answer to the riddle my father told.

Bears and monkeys, both mammals, shares similar behaviors with humans.

Marlo, the oldest in the family, often reads to her little brother and sister.

Explanation:

When a subject and a verb have to agree, it means that the verb is the same amount as the subject. If the subject is in plural, the verb must be in plural. If the subject is singular, the verb must be singular.

Hope this makes sense :)

in june, we will have been married for eighteen months. (i am assuming this is what you want? the sentence, as you have presented it, is grammatically incorrect--   you want it corrected, yes? )

the cost of attendance or coa is an approximate budget for the cost of attendance of the whole academic year. in order to calculate this, universities take into consideration many factors like room and board, tuitions and fees, books, transportation and personal expenses such as medicine, laundry, clothing. all these factors combined make up the final sum to the cost of attendance in each university.