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? 
