判断有无语法错误： 1.I wish that I can get good grades. 2.Can a can can a can? 3. She put up the tent and read books in the tent just now. 4.She ordered that he finishes the homework. 5.He has read that book for ten days.

MuLan Poem(节选) Chicken double chicken.Mulan was sewing in front of the door.There was no sound from the machine and could only hear the girl's sigh.