问题描述：
ten-by-fifteen是
Marvin kept his promise,too.He dug up a nice ten-by-fifteen foot bed for me.And my other children bought me tools,ornaments,a trellis,a sunflower stepping stone and gardening books.
Marvin kept his promise,too.He dug up a nice ten-by-fifteen foot bed for me.And my other children bought me tools,ornaments,a trellis,a sunflower stepping stone and gardening books.
问题解答：
我来补答展开全文阅读