Children are __ to have some accidents as they grow up A bound B indispensable问一下为什么不选B
问题描述：
Children are __ to have some accidents as they grow up A bound B indispensable
问一下为什么不选B
答
be bound to 注定要。。。
答
Children are __ to have some accidents as they grow up A bound B indispensable
选A
如果是B的话,应该是物作主语
即some accidents are indispensable to children.
【sb is bound to do sth】
某人注定要.
这个单词是人作主语的