[ Grammar ]
The boys ___ playing football in the field when they saw a snake.
A. was
B. is
C. were
D. are

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Present SimpleTenses & PassiveModals AuxiliaryPresent Perfect Simple and ContinuousSimple Past/Past ProgressiveInfinitive and GerundInversions and SubjunctiveCompound and Complex SentencesGrammar Error Correction (Simple Present Tense)Modals of DeductionOther quiz:
TOEFL Grammar › ViewThe box ___________ opened only with a special screwdriver.
A. it will be
B. is going to
C. can be
D. it can be
Social Media Vocabulary › View
My friend’s candle-making business increased its _________ dramatically this year, almost doubling its profits.
A. prevalent
B. superficial
C. revenue
D. susceptible
