[ Modal Verbs ]
We __________ implement the new software for better efficiency
A. may
B. must
C. would
D. ought to
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Vocabulary & Phrasal VerbQuantifiers, Countable and Uncountable NounsPresent and Past Simple TensePresent Simple VS ContinuousAdjective & AdverbsModal and Phrasal VerbsTOEFL GrammarCompound Words and SentencesPreposition on TimeFirst & Second ConditionalOther quiz:
Prepositions of Place › ViewThe aquarium is _______ to the sock.
A. on
B. in
C. under
D. beside
Grammar › View
If it _____ rain, we will cancel the trip.
A. will
B. would
C. should
Reported Speech › ViewThe mother asked her son _______.
A. where he had been
B. whether I had been
C. where has he been
D. where had he been
Modal Verbs › View
The book is optional. My professor said we could read it if we needed extra credit. But we_______________ read it if we don’t want to.
A. don’t have to
B. must not
C. cannot
D. has not to