[ Past Tenses ]
The students ___ the assignment before class.
A. had completed
B. completed
C. complete
D. were completing
Select your answer:
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Passive Voice, Question Tag, PrepositionsPreference & Future TensePast Tense vs Present TensePresent Perfect Tense and Simple Past TenseInfinitivesNouns and QuantifiersPast Simple and Past ProgressiveConditional 0Demonstrative Pronouns and Verb TensesGrammar (Adverbs, Prepositions, Prepositional Phrases)Other quiz:
Tenses › ViewThey ___ in this city for ten years.
A. have lived
B. have been living
C. lived
D. live
Modal Verbs › View
In the past, robots had a _______ role, but they will play a very important role in the future.
A. useful
B. minor
C. complicated
D. dangerous