Jack is doing better in math.Jack is ()()math改同义句

Jack is doing better in math.Jack is ()()math改同义句 Is jack in同义句 Jack likes math,too 的同义句 Jack is out.改同义句jack is （） （）. jack always helps me with my math 同义句 英语：Math is more difficult than English.改同义句 Jack is busy _____ （work on）some math problems. Jack like English and math (改为否定句) This subject is interesti Jack is out.改同义句jack is not（） （）. I like math best. 同义句 Math is my jack is the tallest student of all改同义句 My favorite subject is math同义句