Which of the following sentences with introductory elements use correct punctuation? check all that apply. between sessions the conference participants visited the cafeteria. introducing speakers before presentations, is always a challenge. on my desk between the paperweight and the clock, you’ll find the form you need. since he had finished his presentation outline he started designing presentation visuals. when the account manager returns from lunch, we’ll double-check the meeting time. at the request of the governor’s office, the economic science lab produced various forecasting models.