If I was alone on a tiny Island,I would like to have many inventions with me.
(!,这个是标准的英语表达,很地道)
但是考虑到这个题要符合我们的做题习惯,可以去掉with me
If I was alone on a tiny Island,I would like to have many inventions.
所以一共修改两处 am 改为was on tiny island 加冠词 on a tiny Island