1.不管他跟我开什么玩笑,我都不生气。
I am not angry with him , , ,jokes he ,on me
2.布鲁斯太太对学生非常亲切,以至于学生把他当作母亲。
Mrs.Bruce was ,kind to her students ,they ,her ,their mother.
3.这个七岁的女孩酷爱钢琴,以至于他已经坚持练习两年了。
The seven-year-old girl likes playing the piano , , ,she , , ,it for two years.
4.无论他多么努力,他还是无法戒烟。
, , ,hard he tried,he could not , , ,.