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