have a discussion 和 have a discuss 哪个对,为什么?

have a discussion 和 have a discuss 哪个对,为什么? Have a discussion have a discussion about= talk about 和 have a discussion的区别 have a discussion about等于什么 have a bath和have bath哪个对? have a test和have test哪个对? take a lesson和have a lesson哪个对? people need to have a hope 和people need have a hope哪个对? after a long discussion,the workers have finally 短文改错 last week,our class have a discussion abou have a discussion with sb about /against sth