44 Peter: Hi, Bill. My sister Susan is to arrive here tomorrow. Can you join us for dinner?Bill: I’d like to, but I have an appointment with my professor. _____
Peter: I’m afraid not. She only stays here for three days. Besides, she has a tight schedule.
(A) How can I make up for it?
(B) Can I take a rain check?
(C) Are you available tonight?
(D) Shall I go and pick her up?