1.My schoolbag is very heavy ,so I have a sore ____ today.
2.Ibrush my ____ twice a day.
3.We should eat more fruit and vegtables to keep health.(改错）_____
4.I'm not feeling well.Ihave a lot of headache.(改错）______
5.He can't hear anything.（改为同义句）
He ____ hear ____.