Progress test 91. mr smith and his son going to europe next week.a) isb) arec) will2. i'm hungry. i think i a sandwich.a) am going to eat b) am eating c) will eat3. going to visit the castle tomorrow? a) you areb) are you c) were you4. i like travelling plane.a) byb) onc) in5. who your sister going to travel with? a) isb) arec)willc) will​