[ Modals of Obligation ]
You… all the exercises but it’s highly recommendable.
A. needn’t have done
B. had better
C. needn’t do
D. ought to do

Random Topics:
Passive with ModalsConditional and SubjunctiveGrammar SuffixesVerb 3 formsModal Verbs and ConjuctionsInfinitive FormsPresent/Future/Past Simple/Present PerfectPast PassivePronoun-Verb AgreementConjunctivesOther quiz:
Subject Verb Agreement › ViewMac and Meryll ______ the poster-making contest.
A. join
B. joins
Grammar › View
Ted mentioned _______ his colleagues a treat but he soon forgot.
A. gave
B. giving
C. would give
D. would be giving
Grammar › ViewI __________________to meet them here.
A. Agreed
B. Accepted
C. Inclined
D. Seemed
Grammar › View
You should try to _____ some money.
A. save
B. spend
