[ Grammar ]
Adult School classes ___ (require) self-discipline.
A. Requires
B. Is requiring
C. Require
D. Are requiring

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Verbs with Prepositions and ConjunctionsPast Continuous vs Past SimpleTenses and Verb FormsGrammar and Verb TensesSentences and Non SentencesAdjectives (-ed / -ing)and, so, but, becauseSimple Past ContinuosGrammar (was, were, could, could not)Simple Present - WH QuestionsOther quiz:
Gerunds and Infinitives › View________________ is bad for your health.
A. Smoking
B. To smoke
Tenses › View
Mr. Pike________English at our school for 20 years before he retired last year.
A. had been teaching
B. has been teaching
C. was teaching
D. is teaching
