Complete the dialogues below whit the Appropr ate expression ! 1.the expressions we can use when we whant to make sure that we understand what each other saying iS? 2.wecan check people's understand when we are having? 3.the responses of checking tor undres tonding can be indicanting? And? 4.the responses that showing the speak can't get. You saying are theres porses indicating? 5.then responses that showing the speaker can get what you are saying are the responses indicating​