A ten-year-old boy entered into a coffee shop and sat at ∧table. A waitress puts a glass of water in

                                            1.去掉                                 2.a                         3.put

front of him. "How much is a chocolate ice cream?" "Fifty cents." The little boy pushed his hand out of his

                                                                                                                    4.pulled 

pocket and counted the number of the coins. "How much are a dish of plain ice cream?" he asked. The

                                                                                     5.is        

waitress was a bit patient. "Thirty-five cents," he said rudely. The little boy counted the coins again. "I'll 

                        6.impatient                        7.she

have the plain ice cream." The boy finished the ice cream and paid for the cashier. When the waitress came

                                                                                                8.去掉

back, she was surprising at what she saw. There were fifteen cents besides the empty dish, her

                    9.surprised                                                            10.beside 

tip.