Fill in the blank with the word that fits both the grammar and the meaning of the sentence.
1Commonly confused words
affect (verb) / effect (noun)
rise (no object) / raise (needs an object)
lie (recline) / lay (put down)
principal (main) / principle (rule)
stationary (still) / stationery (writing materials)
postpone (delay) / prepone (bring earlier, Indian usage)