she's had her lunch,（ （改反义疑问句）

she's had her lunch,（ （改反义疑问句）you'd better go to see your sister,( （改反义疑问句）Let's go to school,( （改反义疑问句）he hurt his foot yesterday,( （改反义疑问句）把以下句子翻译:那个箱子太重了,我搬不动.the box is ( ) heavy ( ) ( ) to carry.我弟弟到了上学的年龄.my brother is old ( ) ( ) go to school.