★ 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
Preview next quiz:
We want to find out __
A. which bus should we take for the Cherry Creek Mall.
B. which bus we should take for the Cherry Creek Mall.
C. which bus we should take for the Cherry Creek Mall?
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