Is after the underlined word? If so, it'd be a preposition. It's followed by a noun.
She was wondering whether they've (A) completed their lifeguard training.
The correct wording is "Ali likes to sing, paint, and play soccer".
<h3>What makes the difference in the word?</h3>
The use of "to" in the sentence is unnecessary because we are expressing the actions that Ali likes in the complete sentence.
Hence, the correct word to be use should be "Ali likes to sing, paint, and play soccer"
Read more about complete sentence
<em>brainly.com/question/2339462</em>
#SPJ1