I'm glad to —— —— with the party preparations.意思是：我很乐意为聚会提供帮助.·

I'm glad to —— —— with the party preparations.意思是：我很乐意为聚会提供帮助.·
I'm glad to —— —— with the party preparations.
意思是：我很乐意为聚会提供帮助.·

I'm glad to —— —— with the party preparations.意思是：我很乐意为聚会提供帮助.·
help you
我很高兴帮助你准备晚会.

I'm glad to help with the party preparation.