(2018·全國卷Ⅰ)Youdon'thavetorunfastorforlong

來源：國語幫 3.09W

(2018·全國卷Ⅰ)You don't have to run fast or for long ________ (see) the benefit.

to see　句意：為了*實跑步的好處，你不必跑得太快或者太久。用不定式作目的狀語。