单项选择题
A．to see if the book he wanted was in its usual place B．to read the book without buying it C．to talk with the shop owner D．to try to get the textbook
A．the books are very attractive B．you have started reading an interesting book C．it is raining outside D．you have to make sure you don't buy a dull book as a present
A．nobody takes any notice of you B．the assistant greets you in a friendly way C．you can always obtain the books you need D．you feel that you are in a music shop