[ Grammar ]
While I ___ TV last night, the lights went out.
A. watch
B. am watching
C. watched
D. was watching

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Prepositions and TensesVerb-ing or to VerbHow often - long - much - manyPrepositions & Modal VerbsDemonstrative PronounsAlong & AgainstTenses and Figurative LanguageJobsQuantifiers & Modal VerbsComparative Adjectives and AdverbsOther quiz:
Simple Past Tense › ViewJanet ____ a film on TV last night
A. watch
B. watches
C. watching
D. watched
E. was watch
Subject-Verb Agreement › View
9) Neither parent ____ fond of playing mahjong.
A. Is
B. Are
Students ____ study hard get good grades.
A. who
B. whose
C. which
D. where
Grammar › View
He will practice his musical piece soon.
A. article
B. adjective
C. noun
D. preposition
E. adverb
