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

Random Topics:
Comparative Adjectives and AdverbsSimple PresentHow many / How much - Is there / Are thereFirst Conditional & Future TensesClauses and ConjunctionsDemonstrative PronounsPoetryDefinite ArticlesConditionals (0 - 1 - 2)Irregular AdjectivesOther quiz:
Present Tense › ViewJo ________ eats meat. She is a vegetarian.
A. always
B. usually
C. often
D. never
Grammar › View
She says if she _____ that the traffic lights were red she _____.
A. had realized/ would stop
B. realized/ could have stopped
C. has realized/ stopped
D. had realized/ would have stopped
Grammar › ViewYou ___ call your parents and tell them where you are.
A. should
B. mustn’t
C. can’t
D. can
Grammar › View
Now, the girl___________
A. was eating
B. were eating
C. is eating
D. ate
