The suitcase is too heavy that I couldn' t carry it upstairs by myself.改错错在哪里?怎么改?

问题描述:

The suitcase is too heavy that I couldn' t carry it upstairs by myself.改错
错在哪里?怎么改?

应该用so taht 句型,把too换成so.
The suitcase is too heavy that I couldn't carry it upstairs by myself.