[ 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:
Grammar › ViewThe astronauts walk ……………….. the moon.
A. on
B. into
C. after
Past Perfect and Past Perfect Continuous › View
The film….. by the time we got to the cinema.
A. was started
B. had start
C. has started
D. had started
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
