用am,is,或are填空.1.dad and i ___ going to visit a farm tomorrow

用am,is,或are填空.
1.dad and i ___ going to visit a farm tomorrow.
2.___ your sister going to take part in the singing contest?
3.the students ___ giving a puppet show.
4.the music club ___ going to give a concert in the school.
4.it ___ warm and sunny.