He spent three days reading the composition.（改为同义句）
It took __ three days __to read_ ___ the composition.
Why don't you go there to ask the police for help?（改为同义句）
_Why not go there __ ___ ___ ___ to ask the police for help?
He is very very old.He can go to school now.（合并为一句）
He is _old enough to go __ ____ ____ ____ to school now.
John is the tallest boy in his class.（改为同义句）
John is __taller than any other _ ___ ___ ___ boy in his class.
He mother goes to work every day.（对every day 进行提问）
__How often does __ ____ ____ his mother _go___ to work?He spent three days reading the composition.（改为同义句）It ___ ___ three days ___ ___ the compositiontook himto read