[ Grammar ]
A top US disease expert said this week that killer virus “Bird Flu” was the world’s number one health threat and should _____________.
A. Be took serious
B. Be took seriously
C. Be taken serious
D. Be taken seriously

Random Topics:
Noun, Adjective, and Adverb ClausesRelative Pronouns and AdverbsMain Idea and Sentence StructureConjunctions and PrepositionQuestion tag and + - AgreementPassive Voice, Question Tag, PrepositionsQuantifiers with NounsPast and Perfect TensesSo or SuchConditionals and WishesOther quiz:
Idioms › View“Against the clock” means ___.
a. a new record
b. a test of speed or time
c. an impossible task
Perfect Tenses › View
Which of the following sentences is NOT in the present perfect tense?
A. Boom has lived here for five years.
B. Thee and Rinya have been to Paris.
C. Cheya is eating dinner.
D. We have finished our project.