[ Grammar ]
Today, many serious childhood diseases ……………….. by early immunization.
A. are preventing
B. can prevent
C. prevent
D. can be prevented

Random Topics:
Present Continuous for FutureEnglish for TourismInfinitives and GerundsDefinite vs Zero Article Abstract NounsConditional Sentences and AdverbsGrammar and IdiomsGrammar ModalsVerb Tenses and ModalsPresent Perfect & Past Simple TenseFuture PlansOther quiz:
Vocabulary and Grammar › View_______ your friend going to join us? No, she _______.
A. Is / is
B. Is / isn’t
C. Does / isn’t
Comparative Adjectives and Adverbs › View
My notebook is _________ notebook in the class.
A. the neatest
B. most neat
C. neatest
Subject Verb Agreement › ViewMy dad’s boss __________ him to work one Saturday a month.
A. require
B. requires
Phrasal Verb › View
Zhi Ning ___singing even after the music had stopped.
A. keep on
B. keep in
C. keep up
D. keep out