My sister isn`t good at maths

My sister isn`t good at maths My sister isn't good at singing.I'm not good at singing,____ My sister is good at ___(sing),but she isn't good at ___(dan he isn't good at maths 改为同义句 my sister isn't good at her l_____ in his place he f___ bett my sister is good . maths Amy isn't good at maths.She needs __ her maths.A.help with B He isn't good at maths.I think.合并成一句话 Peter isn't good at Maths,he gets only 80 points___ it. Tom isn't good at Maths.I think he needs to do more (things Tom isn't good at Maths.I think he needs to do more_____abou Amy isn't good at Maths ,but this year she will do her __to