Question

I think you're going to have a fun field trip．(改为同义句)

Answer 1

I think you're going to have a fun field trip．(改为同义句)

= I think you're going to (have) much (fun going) on a field trip．

注：have fun doing sth 做某事很高兴/愉快；go on a field trip 进行一次郊游