American women usually identify their best friend as someone _____ they can talk frequently.A who B as C about which D with whom
----- Do you have clothes ______? I’ll wash them for you. ------No, thank you. I will wash them myself.
______ a good insulator , rubber is often used in cables.
Do you mind ______ alone at home?
______ unless I call you.
_______ about the universe up till now.