opera可以加s吗?I want to see some____.这里的答案是opera.有没有错误?

opera可以加s吗?I want to see some____.这里的答案是opera.有没有错误? I want to be in our (school play)play要加s吗 I want to buy many different kinds of fruit.fruit要加S吗? I want to be a Beijing Opera actor.-------R____ 根据首字母填单词、谢谢了 He wants me to ask you a question.want为什么要加s?不加可以吗? 现在完成时的问题,可以用一般过去时回答吗?例：where have you been? i've been to the operawhere have you been? i've been to the opera.改成 i was to the opera he like goes to see Beijing Opera on weekends为什么要加s i can't stand the soap opera.what dou you think of soap operas?为什么第一句的opera不加s第二句加 It's I want to ask to I do not want to可以吧to去掉吗 her grandmother likes Beijing opera .可以在 opera后面加very much吗?什么时候用very much什么时候不用? I can't s( ) soap opera. And I know he wants to build .为什么want加S He can do every thing he want to中的want要加s吗? Jim want to take a bath?want加s吧 I want to have s nice vacation... that's what i want to I want to exercise and s----- healhy