练习材料：

Lesson 30-（1）：The death of a ghost

任务配置：

L0+L1

知识笔记：

单词积累（from 口语粉碎机）：

drown in sth 对。。。应接不暇

stay

be here to stay/ have come to stay 得到普遍认可，被广泛接受

submerge 1潜入水中，2淹没，掩盖

I'm drown in so much work. 

这么多工作让我喘不过气来了。

The houses had been submerged by floodwater.

房子都被洪水淹没了。

His talent was submerged by his self-abasement.

他的才华被他的自卑淹没了。

on one's deathbed "临终，生命垂危"

He told me the truth on his deathbed.

他临终前像我吐露了实情。

in the hole 负债，欠钱，亏空

We've been in the hole since we bought our new house.

我们买了新房子之后就一直负债度日。