[ Verb-ing and Infinitive ]
Did you hear someone …………… a moment ago?
A. singing
B. sings
C. sang
D. to sing

Random Topics:
Simple and Continuous TensesArticles & PrepositionFigurative LanguageFormal & Informal WordsSimple PresentAbilitySubject and Verbs AgreementVerbs + Gerund or InfinitivePersonal pronouns + possessive adjectives + Introgative pronounsSimple Future - PassiveOther quiz:
Grammar › ViewIt is very important for high school students ____________ how to manage their time efficiently.
A. and know
B. in knowing
C. who know
D. to know
Grammar › View
. Select the sentence with correct subject-verb agreement.
A. The list of items are on the table.
B. The list of items is on the table.
C. The list of items were on the table.
D. The list of items be on the table.