_____ .I don't know.

_____ .I don't know. I don‘t know how i should keep calm I don’t know _____ ____ 英语翻译I don't know _____ ______ _____next. There are many presents.I really don't know _____. I don't know what _____（eat） for lunch I don,t know which one _____ （choose) I don't know which sweater _____(choose) I don't know which watch _____(choose). I don't know where _____ (buy ) the dress. I don't know why he _____(like) elephants. I don‘t know I don't know