The boy is ______of the two brothers.
---Do you mind if I smoke here? --- . No smoking here.
He is ill in hospital, __ he can’t come here. A. so B. if C. because
I left my umbrella in my room. Could you wait here_____ I go back to get it?
---Is this your coat, sir? ---No. Mine _____over there near the window.
---Susan, why are you still here? They are all ready to start. ---I’m sorry, but I _____when to meet.