unit 3 back to the past 1．bury v．埋葬；掩埋；隐藏 归纳拓展 bury oneself in sth.使陷入；埋头工作、学习be buried in doing sth.专心致志于某事be buried in thought在沉思中 the true facts are buried in a secret government report. 事实真相被掩藏于政府的一个秘密报告中。 活学活用 (1)she was sitting with her head ________ (埋头于) in a newspaper. (2)________ deep down in the earth，the dead forests rotted away and became coal.(2010•南通月考) a．burying b．buried
