1 . His goal is ______   (acquire) a good knowledge of English by teaching himself. (所给词的适当形式填空）

2 . ______（address）the issue of overtourism, we should limit the number of tourists visiting there first. （所给词的适当形式填空）

3 . I recommend him ______(explore) the city on his own. (所给词的适当形式填空）

4 . London was a new world to me and I was dying ________ (find) out more about it for myself. (所给词的适当形式填空)

5 . He will graduate from university Just in time ______ (support) his family. (所给词的适当形式填空）

6 . Many people are able to ________ themselves fully to their careers and their ________ can bring them huge success. (devote)   (所给词的适当形式填空)

7 . You will surely need______(over-come)some difficulties, some planned, but most unplanned. (所给单词的正确形式填空)

8 . Nobody noticed John came into the room because the lights happened ________ (go) out. (所给词的适当形式填空）

9 . Some people spare no effort ______ (advance) the cause of world peace. (所给词的适当形式填空）

10 . Some of us were confident and eager ____ take part in the class activity... (用适当的词填空)