So carelessly________thathe almostkilled himself.

空白处填did he drive

翻译：

So carelessly did he drive that he almost killed himself.

他开车太粗心，差点害死自己。 

重点单词解释：

carelessly

not giving enough attention and thought to what you are doing, so that you make mistakes 

不小心地；不仔细地；粗心地

例句：

He carelessly left the garage door unlocked.

他太粗心大意，竟然没锁车库的门。

kill

to make sb/sth die 

杀死；弄死；导致死亡

例句：

He tried to kill himself with sleeping pills.

他试图服安眠药自杀。

说法分析：

so / such...that结构中的so或such位于句首可以构成部分倒装句，

表示强调so /such和that之间的部分。

例句：

So unreasonable was his price that everybody startled.

他的要价太离谱，令每个人都瞠目结舌。