[ Grammar ]
Today, many serious diseases_______ by early immunization.[ sự miễn dịch]
A. are preventing
B. can prevent
C. prevent
D. can be prevented

Random Topics:
Noun, Pronoun, Adjective, VerbAdjective ending with ED & INGSubjective and Objective PronounVocabulary and TensesVerb ConjugationPresent ProgressivePast Simple VS Used toPast Perfect vs Past SimpleModal and Modal PerfectGerunds and ModalsOther quiz:
City Places › ViewIt is a place where you can see art exhibitions.
A. city hall
B. park
C. museum
D. dentist
Tenses › View
He ——————– by his enemies.
a) Has killed
b) Has been killed
c) Was killing
d) Had killed
Which sentence is in the past tense?
A. She will read a book later.
B. I walked to school yesterday.
C. I eat breakfast every morning.
D. He runs fast.
Grammar › View
By next week, they (travel) to five different countries.
A. will have travelled
B. will be travelling
C. will has travelled
