Clerk: Central Ballet. ______
Customer: Yes, what"s on tonight
Clerk: Sleeping Beauty.

单项选择题Student: Professor Lance, your lecture on cloning is very interesting!Professor: ______ Are you a student of biologyStudent: No. I major in chemistry.

单项选择题Waitress: Yes, sir, anything the matterCustomer: ______, but this soup is too salty.Waitress: I m very sorry, sir. I ll change it for you.