Помогите пожалуйста, John and Beth, our teen____children ___ cycling this_____. They

Помогите пожалуйста,
John and Beth, our teen____children ___ cycling this_____. They are going to ride their bicycles _____ the park. It is _____ to be a nice day. The sun is shining and it is good _____ cool. They are going to take their ____ with them. They are going to eat ____ the park with some friends.
(In, to be, age, morning , going, to go, in lunch)