(4)
　　Time spent in a bookshop can be enjoyable. If you go to a (1)______ shop, no assistant will come near to you and say, “can I help you?” You (2)_____ buy anything you don't want. You may try to find out (3)_____ the book you want is. But if you fail, the assistant will lead you there and then he will go away. It seems that he is (4)______ selling any book at all.
　　There is a story which tells us about a good shop. A medical student (5)_____ a very useful book in the shop, (6)_____ it was too expensive for him to buy. He couldn't get it from the library, either. So every afternoon, he went there to read (7)______ at a time. One day, however, he couldn't find (8)______ from its usual place and was leaving when he saw an assistant signing to him. To his surprise, the assistant pointed to the book (9)______, “I put it there so as not to be sold out,” said the assistant. Then he (10)______ the student to go on with his reading.
　　( )1. A. good B. bad C. cheap D. expensive
　　( )2. A. shouldn't B. needn't C. mustn't D. can't
　　( )3. A. what B. which C. where D. when
　　( )4. A. surprised at B. not surprised at
　　C. interested in D. not interested in
　　( )5. A. bought B. found C. read D. took
　　( )6. A. but B. and C. so D. or
　　( )7. A. little B. a little C. few D. a few
　　( )8. A. the book B. the shop
　　C. the assistant D. the shopkeeper
　　( )9. A. in a bookshop B. in his hand
　　C. in a corner D. in his pocket
　　( )10.A. left B. let C. helped D. taught
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