yftk

解题思路： 这是语法填空题，注意语法填空常考语法点：介词，连词，冠词，代词，时态语态，非谓语，派生词等
解题过程：
61 a 62 to sleep ； 因为allow sb to do sth
63 has become 64 him 考查代词
65 However
66 should
67 although
68 hobbies
69 caught 被捉
70 more responsible