[ 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:
Modal Verbs › ViewIf you don’t understand the lesson, you ___ ask the teacher.
A. should
B. must
C. may
D. can
Vocabulary › View
Has an isometry that maps the figure onto itself.
A. Symmetry
B. Isometry
C. Iscolese
D. Copy
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
