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Vocabulary and DefinitionsReporting VerbsModals and InversionGrammar MistakesIntermediate PrepositionsVerbs, Tenses, and VocabularyPast Simple, Present Perfect TenseGrammar: SyntaxConditional Sentences Type 0, 1 and 2Grammar - Present PerfectOther quiz:
Present Perfect › ViewLuis ______ (experience) fatigue and thirst since he started his new medication.
A. has experienced
B. has not experienced
C. is experiencing
D. experienced
Grammar › View
Police are _____ significant progress in fighting computer crime.
A. doing
B. making
C. paying
D. giving