来自陈尧生的问题
【johnisdoinghishomeworkinhisroom.改为否定句Theyareplantingtreesonthehill.改为一般疑问句Ithinkyouareright.改否定句Theyare(playingvolleyball)onthebeach.对括号里的内容提问Thewhitedogis(runningafterme.)】
johnisdoinghishomeworkinhisroom.改为否定句
Theyareplantingtreesonthehill.改为一般疑问句
Ithinkyouareright.改否定句
Theyare(playingvolleyball)onthebeach.对括号里的内容提问
Thewhitedogis(runningafterme.)对括号里的内容
