Penny: So, do you know who's in there? Sheldon: Well, there's Leonard. And he's either with Leslie Winkle or 1️⃣ _________. Penny: Good for him. Good for Leonard. Okay, g'night. Sheldon: No, no, wait, hold on. Penny: What's the matter? Sheldon: I don't know what the protocol is here. Do I stay? Do I leave? Do I wait to greet them with 2️⃣ _________? Penny: You're asking 3️⃣ _________. I'm usually on the other side of 4️⃣ _________. @i_like_eng #video ALL VIDEOS HERE 🧩 Write a missing word and three missing phrases in the comments...