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