[ Tenses ]
Which tense is used to describe an action that was in progress at a specific time in the past?
A. Past Perfect Continuous
B. Past Simple
C. Past Continuous
D. Present Continuous

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Verb PhrasesPresent Simple: affirmative, negative, interrogativeSentence Structure and Pronoun AntecedentAdverb or AdjectiveSome & AnyModal and Modal PerfectSentence TypesComparatives - SuperlativeCoordinate ConjunctionVocab CheckingOther quiz:
Time and Calendar › ViewAugust has ….. days.
A. 30
B. 31
C. 28
D. 29
Conjunctions › View
Revise the following sentences, choosing the correct conjunctive adverb. Add the correct punctuation.
The U.S. Green Building Council promotes environmentally friendly building practices (therefore moreover) the organization promotes architecture that incorporates sustainability in houses and offices.
A. , therefore,
B. ; therefore,
C. , moreover,
D. ; moreover,