A: I left my wallet at home.
A: I have a headache.
A: I need that photo urgently.
A: This exercise is hard.
A: These bags are heavy.
A: It's hot in here
A: I'm thirsty.
A: We don't have any milk.
A: I'm hungry.
B: I'll turn off the music.
B: I'll buy some on my way home.
B: I'll send it by email now.
B: I'll make you a sandwich.
B: I'll carry one for you.
B: I'll get you a glass of water.
B: I'll help you with it.
B: I'll open the window.
B: I'll lend you some money.