My brother isn't good at math .
分析do well in = be good at擅长于……
如果不明白,请再问；如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,谢谢!We need two more days to finish the work同义句转换We need anothertwodays to finish the work.分析数字+ more +名词＝ another + 数字+名词‘ 再……’I don 't know. What doeshe wear?合并句子I don't know what she wears .(注意从句要用陈述语序）