"Do so" is the correct usage when "so" refers to an action."Do it" is the correct usage when "it" refers to a noun.
As "do" generally refers to actions, "do so" is more often correct than "do it".
Angle from a chord at the centre is twice that at the circumference.
"had" is used to denote earlier of the two actions completed in the past.
Example: Although the play had ended, some audience stayed in the theatre.
Key to solving "para-completion" questions on CR:
- Prepare a mind-map.- Follow the chain-of-thoughts.- Eliminate four choices to reach a choice that best completes the complete chain of thoughts.-- Beware: Consider the "complete" of chain of thoughts.--- Not just the "last sentence".
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
While attempting AWA, type the first and the last paragraphs first.
- This will ensure that your essay will look 'complete', even if you run out of time.- This will give you more time to think about the middle paragraphs.
"between" is used when "two elements" are involved."among" is used when "more than two elements" are involved.
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Don't exhaust official material early- it's a common mistake.Save it for the last few weeks.
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