Completar frases Fill in the gapsVersión en línea Fill in the gaps and check your grammar por Irina 1 is riding flying am I driving a car and my brother is a bike . 2 sails waiting is do are Her mum is for the bus and her dad flying a helicopter . 3 Are we he they Is they riding a scooter ? - Yes , are . 4 flies going am do not My friends are sailing a boat , they are to London by train . 5 are am is I not jumping on a train .