When using digital slides (or powerpoint slides) in a speech, group of answer choices O the speech should be supported by them, not dominated the speaker need not be as concerned about structuring her or his speech. O the speaker should proofread the slides for typos and other errors or inconsistencies. O the speech should be supported by them, not dominated. O additionall the speaker should proofread the slides for typos and other errors or inconsistencies.