[ Prepositions of Time ]
We celebrate Halloween ____ October 31st.
A. at
B. on
C. in

Random Topics:
Modals in the PastTenses of Verbs - UsageModal and Relative PhrasesComparatives and Past Perfect TensePrepositionsCountable & Uncountable NounsVerbs + Infinitives / GerundsGrammar MistakesThe Past SimpleInversion + Passive VoiceOther quiz:
Verbs and Tenses › ViewUse an adverb of time in this sentence: ‘Nita went to the store __.’
A. last month
B. next week
C. tomorrow
D. yesterday
Perfect Tenses › View
Luke _______ about leaving college, but in the end he decided to stay.
A. has been thinking
B. had been thinking