She is unhappy today的否定疑问句答语应该用肯定的还是否定的?为什么?很难很疑惑…

She is rich ( ) she is unhappy She is unhappy today的否定疑问句答语应该用肯定的还是否定的?为什么?很难很疑惑… To worry about tomorrow is to be unhappy today She is unhappy,（）she?(反意疑问句) She asked,why is the boy unhappy?(合并)She asked( )the boy( )unhappy. It`s cloudy today .that means today is a ( ) day .a.dark b.unhappy c.gloomy It seems that she is unhappy.的同意句 She is always k to me when I'm unhappy she is perhaps ill today. Maria looks unhappy today,doesn't she?这句话有语病吗? linda was_______ today because she did not da well in geographya.unhappy b.unhappily Is she ill today?she looks p_____ There are so many a__ in this newspaper.It is boring It seem that she is unhappy.She _to_unhappyIt seem that she is unhappy.She ___to___unhappy 同义句 it seems that she is unhappy 改为同义句she — to — be unhappy.还有就是要原因, 填介词：1.It is rainy today .My sister is unhappy.I sing a song()her The reason I plan to go is ____________if I don't.A、because she will be unhappy B、that she will be unhappy C、what she will be unhappy D、for she will be unhappy 1.She is free today改为同义句 She ()() today.1.She is free today改为同义句 She ()() today. she feels unhappy ,_______?