题目内容：

英语翻译
我戴这顶帽子适合吗?
他们答应下星期完成工作
我希望他遵守诺言
他是一位出名的数学专家

优质解答

Is it suitable that I wear this hat?
They promised to finish the work next week.
I hope he keeps his promises.
He's a famous expert on math.