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