The answer is option D: adverb.
<em>Sometimes </em>is an adverb of frequency, which indicates how often something happens. Adverbs of frequency are usually used for repeated or periodic activities, so they often go with the present simple tense. Other examples of adverbs of frequency are: <em>always</em>, <em>usually</em>, <em>often </em>and <em>never</em>.
its A:house's
if it were to be more than one house that own it it would be houses' or like bosses' and boss's
C. i think its the right answer
<h3>Answer:</h3>
Yesterday, I <em><u>was</u></em><em> </em>shopping.
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