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短语积累：
late husband：已故的丈夫；先夫
living relative：在世的亲人
live abroad：生活在海外
know nothing about：一无所知
die of：死于......
do what Sb can：尽力而为
重点短语：
die of
例句:
She die of cancer. 她死于癌症。
Nowadays many people die of cancer. 现在有很多人死于癌症。
know nothing about
例句:
The eggheads at the university know nothing about business. 大学的饱学之士对做生意一窍不通。
I know nothing about computer hardware. 我对计算机硬件一窍不通。
I know nothing about agriculture. 我对农业一窍不通。
