It is good manners to ____ the elder. [ ]

all___ for international conferences is of greatimportance—I see, and we are sure to complete it on time

He didn’t want to tell his parents that he was going home because he wanted to give them a .

ack! I’m glad Icame across you here—_________, Alice

Guess what? I happened to have met Mark at the party last week—If my memory serves me correctly, you two ______ each other for almost ten years