A: To my great disappointment, my brother failed again in his math.
我弟弟的数学考试不及格，可真令我失望。
A great number of math exercises make my head swim.
大量的数学作业搞得我头昏脑胀。
With my help, Mike made great progress in math, too.
在我的帮助下，迈克数学进步很大，太。
With the help of my deskmate, I have made great progress in math.
在同桌的帮助下，我在数学方面取得了很大进步。
With the help of my deskmate, I have made great progress in math.
在同桌的帮助下，我在数学方面取得了很大进步。
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