A: What are you looking for?<br/><br/>B: The public library. It is suppos<u>ed</u> to be right around the corner here.<br/><br/>1. The pronunciation of the <i>-ed</i> ending in B is /d/ as a result of the progressive assimilation.<br/><br/>I don't know why the explanation of #1 says the -ed ending of <i>supposed</i> is /d/.<br/><br/>I thought it should be /t/ or deleted because of the following t in <i>to. </i><br/><br/>What do you think?