[ Tenses Usage ]
By the time the project was launched, the team _____ extensive research.
A. conducts
B. conducted
C. had conducted
D. was conducting
Select your answer:

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Grammar RulesMixed ConditionalsNumbersVerb Tenses and UsageGerundModal and Compound NounsPresent Continuous for FutureAll, Both, Neither, None, EitherCoordinating & Subordinating ConjunctionsGrammar Pronoun and Singular Plural NounOther quiz:
Grammar › ViewHelen is __________ ballet dancer in our city
A. better
B. good as
C. the best
D. good
Modal Verbs › View
________ I make some coffee? I’ll do it if you’ll drink a cup.
A. Shall
B. Should
C. May
D. Can
