The boy is impolite to others and this _________ hurts himself.
—Hello,may I speak to Alice now?—________
—What's your sister like?—________.
—Excuse me!—________.—Could you tell me how I can get to the first department?
—Shall I lock the lab now before I go home?—________.I'll check it myself later.
—Can I ask you a rather personal question?—________