why don't you join in an english club to practice speaking english(用 what about改写原句)

why don't you join in an english club to practice speaking english(用 what about改写原句)
why don't you join in an english club to practice speaking english(用 what about改写原句)

why don't you join in an english club to practice speaking english(用 what about改写原句)
What about joining in an english club to practice speaking english.
what about后接动词的ing形式