Grammar Quiz

[ Gerund and Infinitive ]

Scientists ………….. at Stanford University School of Medicine in the US have invented an implant that could help the blind ……………. .

A. working / to see

B. to work / seeing

Select your answer:
         


Random Topics:

Grammar - to bePresent Simple and Past ContinuousVocabulary, Adjective & PrepositionSentence CompletionPronounsPrepositions and AdverbsGrammar Double Object VerbsPerfect TenseVerb + Infinitive or Gerund

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