Fan + medal check my work? . 1) which of the following words best describes "building up" an idea in your paper? a. refining b. developing * 2) which of the following words best describes "focusing" an idea in your paper? a. refining * b. developing 3) choose the correct word form of the modifier: the used car i bought recently ran_only after the tune-up. a. good b. well * 4) choose the correct modifier to complete the sentence: "i've never eaten a_meal." a. most tastier b. tastier* c. more tastier d. tastiest.

1) Building up an idea is developing the idea. So the right choice is B. Developing.
  2) Focusing an idea is refining the idea that you have already built up. So the right choice is A. Refining
 3) Here the modifier modifies a verb- ran. So the modifier must be an adverb. Therefore the right word here is B. well. Good is an adjective which can modify only a noun.
  4)Here the meal is compared to other meals and so the adjective must be in its comparative form. The comparative form of tasty is tastier. So the correct modifier is B. tastier.