[ Vocabulary and Grammar ]
Identify the correct sentence that uses the present perfect tense:
A. I am finishing my homework
B. I will finish my homework
C. I have finished my homework.
D. I finished my homework

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Modals, Infinitives and GerundsConditional Sentences Type I, IIPassive Voice - Present Simple and Past SimplePassive Voice and Relative ClausesIf/Unless - Conditional type 1Passive Modals in Different TensesActive and PassiveNoun Clauses with THATModals and Present TensesGrammar: Reported QuestionsOther quiz:
Articles › ViewYesterday, I saw _____ beautiful blue bird at a park.
A. the
B. a
C. an
D. zero article
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The train was …… fast that it went from Shanghai to Beijiin in only 10 minutes.
A. so
B. so much
C. such
D. such a