1. our study efforts should focus on whatever subject is most in need of improvement
2. the company rules demanded that the monthly bills be paid before the end of the month

s-subject
op-objectof preposition
sc-subject complement
do-direct object

DO  Direct Object because "that the monthly bills be paid before the end of the month" can be replaced with  "it" -- a pronoun.  

the audience knows that nora is intentionally failing to dance correctly, but helmer doesnt

i'd say the answer is nuisance. i hope i .