题目内容：

I play very （happy）with my friends

优质解答

happily

追问：

thank you for （inuite)me do you feed (happy)at your brithday party when your father (clean)his car

追答：

inviting happily does clean

追问：

millie‘s friends began sing"Happy Birthday" millie A,to,at B,to for C,with,to D,to,to

追答：

D 请采纳