填空题 Listen to the conversation and complete the following sentences with NO MORE THAN THREE WORDS.

填空题 Make your presentation interactive, not do 1 .

填空题 Deliver your presentation naturally and fluently, and do not make it 1 .

填空题 In order to leave some time for the audiences' questions, one need to 1 carefully.

填空题 You can use 1 to make your presentation more clear, as long as avoiding too much words.

填空题 What's more, this presentation will 1 to make some contribution to further study.