He was _____ to life the big box onto the truck.strong enough enough strongtoo strongso strong

He was _____ to life the big box onto the truck.
strong enough
enough strong
too strong
so strong

so...that...搭配
too...to...太而不能
was 是be动词 后不会直接跟adv.
所以,应该是strong enough

Astrong enough

选c too ……to结构的