Fill in the gaps with is,isn't,are,aren't.
Dan ______Mike's classmate. He______helpful and cheerful. He______interested in music. They______good friends. Dan_______interested in car. Mike_______very interested in cars. They_______fond of basketball, but they_______good at it.
Dan is Mike's classmate. He is helpful and cheerful. He is interested in music. They are good friends. Dan is interested in cars. Mike isn't very interested in cars. They are fond of basketball, but they aren't good at it.
