your new classmates 是sound great 还是sounds great?

your new classmates 是sound great 还是sounds great? sound great 还是sounds great 如果只是普通词组,应为sound great还是sounds great? The music sounds great中（sound great）的句子成分是? 对great提问： Your idea sounds great. sound great和sounds great有什么区别? that sounds great,和that sound great有什么区别 How great your idea ____ (sound)!I love it.是不是填sounds? sounds great It's sounds great,为什么sound要加s? 英语翻译是That sounds great.还是That sounds good.还是都可以？ It was great fun!还是：it sounds great fun?