综合填空：用方框中单词或词组的恰当形式填空，使短文完整、通顺。（5分）

综合填空：用方框中单词或词组的恰当形式填空，使短文完整、通顺。（5分）

have to, ask for, cough, herself, go

Dear Mr. Lee,
I’m sorry to tell you that my grandmother is ill. She 小题1: day and night. My parents aren’t at home now. They 小题2: to Beijing on business last week. My grandma can not look after 小题3:. So I小题4:take care of her. May I小题5: two days leave?
Yours,
Yu Ting