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
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To Infinitive/Bare Infinitive/GerundsAdverb of TimeAdjective, Adverb, and Noun FormsPersonal PronounAdjective Clause and Adverb ClauseModals of Obligation & ProhibitionAdjective ending with ED & INGVerbs and AdverbsComplex PrepositionsSuperlative AdjectivesOther quiz:
Grammar › ViewThey ……………… continuously for the past three years.
A. travel
B. have yravelled
C. have been travelled
D. travelled
Tenses & Affixes › View
Choose the correct word to complete each sentence.
This is a ___ (toxic) cleaning product, so it’s safe to use.
A. toxic
B. nontoxic
C. pre-toxic
Grammar › ViewUnless he is already full, he will be able to eat a whole cake in 5 minutes.
A. He will not be able to eat a whole cake because he is already full.
B. Though he is already full, he’ll be able to eat a whole cake in 5 minutes.
C. He will be able to eat a whole cake in 5 minutes if he is not already full.
D. Even if he is already full, he will be able to eat a whole cake in 5 minutes.
Vocabulary › View
What does the term ‘situational irony’ refer to?
A. Expected outcome
B. Predictable event
C. Coincidental situation
D. Contrast between what is expected and what actually happens