[ Grammar ]
Kevin’s really smart; he ___ speak three languages by the time he was six.
A. must
B. had to
C. could

Random Topics:
Possessive Adjective and PronounPresent Perfect Tense and Simple Past TenseModals of Obligation & ProhibitionWord FormationHabitual and Continuous TensesComparatives and SuperlativesVerb Tenses and Past ParticiplesDo not or Does notConjunctions & PrepositionsAdverbial Clause of MannerOther quiz:
Tenses › ViewWhat tense is the following sentence?
She drinks tea at breakfast.
A. Simple Past Tense
B. Present Perfect Tense
C. Simple Present Tense
D. Past Continuous Tense
E. Simple Future Tense
Quantifiers › View
_________ singer will be chosen to perform m the special event.
A. Many a
B. Many
Relative Clauses › ViewThe new textbook,_______ at the university book shop, includes access to online activities.
A. bought
B. buying
C. having bought
D. to buy
Vocabulary and Grammar › View
Black bears hunt other animals so they are ________.
A. prey
B. extinct
C. predators
D. hunt