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