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When grocery shopping, .

Which of the following best completes the sentence above?

A.
it is necessary to have a list of needed items
B.
you should have a list of needed items
C.
there is an advantage to having a list
D.
a list of needed items is essential

Syllable added to a root word to change its meaning : affixan independent word--example run,walk,book : free morphemeaffix that gives grammatical meaning such as tense or number : inflectiona word part that must attach to a word in order to be usable : bound morphemedegree of comparison formed by adding -er or more to an adjective : comparativedegree of comparison formed by adding -est or most to an adjective : superlativeaffix added to the beginning of a word : prefixaffix added to the end of a word : suffixroot word of lovable : lovetwo roots used together to form one word : combining form