There will be a discussion tomorrow,all those who want to _,please raise your hands.

问题描述:

There will be a discussion tomorrow,all those who want to _,please raise your hands.
A take part B take part in C joinD join in

There will be a discussion tomorrow,all those who want to participate(或come都可以)_,please raise your hands.明天将有一个讨论会,有意想参加(或出席)的人请举手.