我认为他住在那里,但我不敢肯定。I think he lives there but I couldn't say __________ __________.
I believe that each of us can c___ to the future of the world.
They thought he has escaped through a specially ___ (建造) tunnel.
Be ___ to暴露到……中
be expert ___ 在……方面精通
be ___ into沉浸于……