——Hello!Can I speak to Justin Bieber,please?——( )

——Hello!Can I speak to Justin Bieber,please?——( ) — Hello,I'd like to speak to Mark,please. ——Hello!May I speak to Mr Smith,please? —Hello, May I speak to Don, please? —________________? —Hello,may I speak to Mr Liu,please? —Hello, can I speak to Mr. Smith? — Hello. May I speak to Tom? ——Hello. May I speak to Mr. Wang, please? —— _______. ——Hello!May I speak to Lingling,please?——Sorry,she isn't her —Hello. May I speak to Mr. Wang? —Who’s calling, please.&nbs ——Hello. May I speak to Mr. Wang, please?   & Hello!Can I speak to the headmaster,please?