[ Grammar ]
What is the preposition?
Over the years we have learned to study
hard.
A. the
B. have
C. to
D. over

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Common Grammar Mistakes and Spelling TipsComplex PrepositionsQuestion Tags in Verb TensesGrammar ( going to)Mixed TensesModal RequestsModals and Semi-ModalsTenses and Passive VoiceUsed to & would & Past SimpleHow many / How much - Is there / Are thereOther quiz:
Grammar › ViewIdentify the sentence below.
The radio operates by solar power.
A. Declarative
B. Interrogative
C. Imperative
D. Exclamatory
Modal Verbs › View
You ____ paint graffiti on the walls – it’s illegal!
A. needn’t
B. don’t have to
C. couldn’t
D. ought not to