[ Noun Clause ]
__ is not an easy question to answer.
A. How often should you check your computer for viruses
B. Should you check your computer for viruses how often
C. How often you should check your computer for viruses

Random Topics:
Tenses and PronounsAdjectivesComparative AdjectiveInfinitive and GerundConjunctions and PrepositionConditional TensesHow many / How much - Is there / Are thereModals of AdvisabilityVocabulary and DefinitionsParts of Speech and GrammarOther quiz:
Verb Tenses › View. What does a perfect verb tense express?
A. Certainty that the action will be completed
B. Ongoing actions only
C. Unfinished actions
D. Actions that will never happen
Phrasal Verbs › View
We have __________ milk. Could you get some on your way home?
A. closed down
B. run out of
C. faced up to
D. looked forward to
Grammar › ViewWhen _____ college today?
A. you left
B. did you leave
C. were you leaving
Vocabulary › View
a person who works for some kind of social change
A. reprisals
B. activist
C. discrimination
D. advocate
