# 1เลือกประเภทYou should act surprised when a visitor walks in, to show you weren't expecting them. TrueFalse
# 2เลือกประเภทSaying "Good morning" or "Good afternoon" clearly helps you sound professional. TrueFalse
# 4เลือกประเภทRemembering how to say a visitor's name helps your boss address them correctly.TrueFalse