[ Grammar ]
Coal……very widely as a source of energy until the 19th century.
A. not used
B. did not use
C. not using
D. was not used
Random Topics:
Past Tense and Perfect TenseModal Verbs of ObligationTransitive and Intransitive VerbGrammar TOEFLTenses and StructurePhrasal verbs and Prepositional PhrasesIndependent and Dependent ClausesComparative - SuperlativeSubject Verb Agreement; Indefinite PronounsPrepositions & Prepositional PhrasesOther quiz:
Adverb Clauses of Time › View______ my friend arrived, we went to the mall.
A. before
B. after
C. while
Narrative Tenses › View
I __________ (not/eat) all day, so I was very hungry.
A. didn’t eat
B. wasn’t eating
C. hadn’t eaten
D. hadn’t been eating