It shows the doer of the action.It comes before verb and indicates this action or work is done by it/him/her etc.Ex.Susan switched off the lights. Who switched off the lights? The answer is Susan (subject of the sentence)
Answer: "I tried several new foods on my trip: sushi, dragon fruit, and lychees." and "Diego studies three kinds of dance: jazz, modern, and tap."
Explanation: In the first and last sentences, there shouldn't be a colon (or any punctuation for that matter) between the verb (call/buy) and the direct object that verb takes (her grandmother, etc./seeds, etc.). In the third sentence, the colon should be placed after <em>collage</em> (it is not an item of the list that follows) and a comma should replace the colon before <em>and.</em>
I believe the answer is draft
