i （ ）know what it is.A,not B,can‘t C,don’t

If I know what love is,it is because of If I know what love is,it is because of I know what love is,it is because of you I _ don't know what it is I Don'T Know What It Is 歌词 what time is it?sorry,i don 不加know i （ ）know what it is.A,not B,can‘t C,don’t i don't want to know what it's been. i want to know what it is now.翻译 I miss you.My world now I finally know what it is.Is your heart. （what）i want to know is （whether）it is worth doing为什么这样填啊? I know it is over I know a word of three letters,add two,it will be fewer. what is it? I don't know what is it 和 I don't know what it is RT,意思是我不知道这是什么 If I know what love is,it is because of 知道的帮个忙. If I know what love is,it is because of you. If I know what love is, it is because of you.该怎样回复这句话 If I know what love is,it is because of you.翻译 If I know what love is,it is because of you If I know what love is, it is because of you.这句话是什么意思?详细点.