Why not reject the old hat______（hang）on the wall?He watched the picture ____(hang）on the wal.
问题描述：
Why not reject the old hat______（hang）on the wall?He watched the picture ____(hang）on the wal.
答
reject doing sth.——hanging
前一个是拒绝（人主动）把帽子挂在墙上
watch sth.done.——be hung
后一个是看着帽子（被人）挂在了墙上 .
用being hung的话表示的是画正在被挂上去.