句型转换。（每空1分，共8分）
Bill hardly ever comes to school late. （对划线部分提问）
__________ _________ does Bill come to school late?
I spent 100 yuan buying the dictionary.（同义句转换）
It _______ _______100 yuan to buy the dictionary.
Lily has to babysit the child every Sunday.（改一般疑问句）
_____ Lily _____ to babysit the child every Sunday?
下雨时，她乘出租车。（补全句子）
When it __________,she _____________ the taxi.