[ 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:
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Transitional WordsSimple Verb TensesPresent and Past Simple PassiveConstrative ConjunctionSubordinating ConjunctionsPast and Future TensesConjunction: Because and SoModals and Present TensesVerbals and GerundsNo Excuse Words / Conjunction SOOther quiz:
Gerunds and Infinitives › ViewAll students must ___________ uniform
A. to wear
B. wearing
C. not to wear
D. wear
Grammar › View
………. the camels drinking the water in the desert?
A. did
B. were
C. was