一般现在时第三人称单数的运用 — 英语填空题
题目
My cousin Jack is a pilot. Every morning, he f______ (fly) to different cities. His sister is a nurse. She w______ (work) at night and g______ (go) home at seven in the morning. On Sundays, Jack often c______ (cook) dinner for his family, and his sister h______ (help) him. 请用所给动词的第三人称单数形式填空，首字母已给出。