[ Word Form & Verb Tense ]
In 21st century, scientists continue to look for new ways _____ serious disease and slow down the ageing process
A. to treat
B. treat
C. treatment
D. treated
Select your answer:

Random Topics:
Clauses of ReasonVocabulary & GrammarPrepositional PhraseIndefinite PronounsComparativesGrammar MistakesGrammar-Present Continuous-Sentence MakingModals and AdviceAll, Both, Neither, None, EitherPassive and Active SentencesOther quiz:
Subject Verb Agreement › ViewThe scissors that we use to clip coupons ______ in one of the kitchen drawers.
A. are
B. is
Comparative Adjectives › View
This year the weather is __________ than last year.
A. badder
B. worse
C. worser
