问题描述：
the boy is too young to ride a bike.改为同义句
The boy is ____ young _____ he can't ride a bike .
The boy ____ old ______ to ride a bike
The boy is ____ young _____ he can't ride a bike .
The boy ____ old ______ to ride a bike
问题解答：
我来补答展开全文阅读