第168题
                            What's this          English?
                        
                                                            A.on
                                    B.in
                                    C.at
                        
                            
                                参考答案:B
                            
                     
                    
                        
                            第170题
                            —Nice to meet you, Bill!  —          .
                        
                                                            A.Fine, thanks.
                                    B.How are you?
                                    C.Nice to meet you, too!
                        
                            
                                参考答案:C
                            
                     
                    
                        
                            第171题
                            —         !   —Thanks! You, too.
                        
                                                            A.Good morning
                                    B.Hello
                                    C.Have a good day
                        
                            
                                参考答案:C
                            
                     
                    
                        
                            第172题
                             —         is she?     —She's her grandma.
                        
                                                            A.What
                                    B.How
                                    C.Who
                        
                            
                                参考答案:C
                            
                     
                    
                    
                    
                        
                            第175题
                            That is a         . You can read in it.
                        
                                                            A.library
                                    B.box
                                    C.bag
                        
                            
                                参考答案:A
                            
                     
                    
                        
                            第176题
                            Mrs. Smith is          mother.
                        
                                                            A.Jim and Kate
                                    B.Jim's and Kate's
                                    C.Jim and Kate's
                        
                            
                                参考答案:C
                            
                     
                    
                    
                        
                            第178题
                            This is          dictionary and that is         .
                        
                                                            A.your, he
                                    B.your, his
                                    C.you, his
                        
                            
                                参考答案:B