They failed _ (get) to the top of the hill at last.

They failed to get (get) to the top of the hill at last.

fail to do sth. 做某事失败,没有成功.这句话的意思是：最后他们没有到达山顶.




希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问(*^__^*)

to get
fail to do sth

希望对你有帮助

to get
fail to do sth没能成功干某事

to get

getting

They failed _ to get_ (get) to the top of the hill at last.

填to get ,fail to do是固定用法，意为没做成某事。