拓展 be bound to 被绑在……(to 为介词) I'm bound to say that...我得说…… be bound up with sth.与某事有密切关系 be bound up in sth.忙于/专心于某事 be bound by sth.受……约束 运用 完成句子 ①________________ (我得说) I think you are taking a huge

risk.

②Henry's problems ________________ ( 与……有关系) his

mother's death when he was ten.

are bound up with

I am bound to say