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