[ Tenses ]
The students ______ on their geography project at 3 p.m. last Friday.
A. worked
B. have worked
C. had worked
D. were working

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Demonstrative PronounFuture Tenses and Modalswas wereGrammar - Reflexive PronounsWill vs Verb InfinitivesModalProgessive TensesSo, Such, Many, MuchNouns, Pronouns, Antecedents, and Singular and PluralMix-TensesOther quiz:
Grammar › ViewChoose the correct form
A. Ruby likes pears but I like apples
B. Ruby likes pears, but I like apples.
Grammar › View
What is the helping verb?
Our class was selected for Party in the Park .
A. class
B. selected
C. was
D. park
Adverb Clause › View__________ the sun sets, the temperature drops significantly.
A. Until
B. Since
C. Although
D. After
Grammar › View
She ________ her mother an hour ago.
A. is calling
B. calls
C. has called
D. called
