please open your books.变否定句为什么是在open前加don't

open your m________,please. please open your hearts for your firends Open your mouth,please.(改为否定句) Please open your books.改为否定句 please open your mouth!的意思 open your mouth,please句子成分划分 please open your eyes,Ben.(否定句) please.connect.usb.cable.to your.computer.and.open.hisuite. Don't open your books .Please keep them_____(close) Don't open your books.Please keep them c______ please open your books.变否定句为什么是在open前加don't Boo-Boo-Boo 歌词 Open Your open your open your Open your open your Open your heart,open your