句型转换(共10小题,每空1分,记10分)Jack is so young that he can’t understand it.
Jack is not old________ ________understand it.His uncle is a doctor. His father is a doctor, too.
______his uncle and his father ______doctors.How honest the boy is!
______an honest boy ______is!Did you use them for keeping warm?
______they ______for keeping warm?She found it difficult to learn English well.
She found______ _______difficult to learn English well.