Froggy Jumps Building vocabularyOnline version Complete the sentences. Choose the correct form of each word. by Omar Martínez 1 It's a long, tough race, so ____________________ is key. a persevere b perseverance c perseveration 2 2. The _______________________________ were small, but they made a big difference. a modify b modifications c modificattions 3 He's finding it hard tot to city life. a adjust b adjustment c adjusted 4 The __________________________ of the policy had a big effect on the town. a adopt b to adopt c adoption