The bag of rice is so that heavy that me can't carry.這句話有什麼不

題目：

The bag of rice is so that heavy that me can't carry.這句話有什麼不妥的地方?
The bag of rice is so heavy that me can't carry.有什麼不妥？

解答：

應該改成The bag of rice is so heavy that I can't carry
so...that 如此...以至於
me是賓格,應該用主格I