Choose the correct answer.
          
            
                
                
                
                    
                        
                            
                                1 of 10
                                Which of the following is an auxiliary verb?
                            
                            
                        
                    
                    
                
                    
                        
                            
                                2 of 10
                                Which of the following is an auxiliary verb?
                            
                            
                        
                    
                    
                
                    
                        
                            
                                3 of 10
                                Which of the following is an auxiliary verb?
                            
                            
                        
                    
                    
                
                    
                        
                            
                                4 of 10
                                ____ you like coffee?
                            
                            
                        
                    
                    
                
                    
                        
                            
                                5 of 10
                                He ____ waiting for the bus.
                            
                            
                        
                    
                    
                
                    
                        
                            
                                6 of 10
                                We ____ got 3 dogs.
                            
                            
                        
                    
                    
                
                    
                        
                            
                                7 of 10
                                I ____ to the gym every day.
                            
                            
                        
                    
                    
                
                    
                        
                            
                                8 of 10
                                They ____ playing football.
                            
                            
                        
                    
                    
                
                    
                        
                            
                                9 of 10
                                ____ he live alone?
                            
                            
                        
                    
                    
                
                    
                        
                            
                                10 of 10
                                ____ you listening to me?