单项选择题
Hello! Can I get a seat on the 8 pm flight Detroit?（）
A.Hello! International Airline. B.You‘d better look up the schedule first. C.I‘m sorry, but it‘s completely booked. D.I‘m afraid you have to change.
单项选择题 Let's take a walk.（）
单项选择题 Do you know where I can repair my motorcar? （）
单项选择题 Where to? I'm so thirsty. （）
