如果只是普通词组,应为sound great还是sounds great?

如果只是普通词组,应为sound great还是sounds great? sound great 还是sounds great your new classmates 是sound great 还是sounds great? sound great和sounds great有什么区别? that sounds great,和that sound great有什么区别 sounds great It's sounds great,为什么sound要加s? It was great fun!还是：it sounds great fun? The music sounds great中（sound great）的句子成分是? sound great=sound great吗? 有词组sound great 这样的用法吗? that sounds great