I can't understand too many thing until my life have them这句话

I can't understand too many thing until my life have them这句话 I can't forget them yet many years have passed.这句话对吗? .I can’t understand ______ a decision until it is too late.a I can’t understand ______ a decision until it is too late. 请教英语单选题I can't understand __ a decision until it is too late I can't go-for one thing,I have no money,and ___ I have too i have many ideas,but you can't understand,you don't know,I' Tere are too many birds in the sky.I can't c_ them. 改错 I want to watch TV but I can't,because I have too many ho We can't understand ____a decision until it is too late I can't s( ) any more.there are too many r( ) in my home.I h I have too much thing have to do.这句话的语法正确吗,thing要加s吗?