题目内容：

改写下面句子,用he作句子主语
i am busy
i am learning english
i have a new book
i live in the country
i shall see you tomorrow
i can understand you
i must write a letter
i may come next week
i do a lot of work every day
i did a lot of work yesterday
i played football yesterday
i played football yesterday
i bought a new coat last week
i have had a letter from tom
i was busy this morning
i could play football very well when i was younger
i always try to get up early
i might see you next week
i always enjoy a good film
i had finished my work before you came
i watch television every night