[ Narrative Tenses ]
The engineers _________ (invent) a new system for transporting water last year.
A. invented
B. was inventing
C. had invent
Select your answer:
Random Topics:
Types of Sentence StructureBecause / soDemonstrative PronounsSimple Present & Present ProgressiveComparatives ( adj/ adv)Simple vs Present Continuous TensesSimple Future - PassiveInfinitives and ING FormsPast Tense & Past Continuous TenseOther quiz:
Prepositions › ViewIdentify the preposition in the following sentence:
You have to wait for the green light.
A. you
B. to
C. for
D. light
Subject and Verbs Agreement › View
One billion dollars ___ not enough for the victims of the famine last year.
A. was
B. were
C. is
D. are