please teturn in an hour.I'll be ready _____then.

It'll be ready ____ half an hour. Could you please wait for me?I'll be ready in a m___. I'll be able to finish this essay ___(easy） in half an hour I'll be back ＿ten minutes or＿half an hour.（at,in),这句话填哪两个介词, 这句英语怎么分析：Should marry call,say that I'll be pack in an hour. 英语翻译"Yes,I'll be ready at nine in the morning.Goodbye,dear,a ——I’ll meet you outside the school in half an hour,OK? Please be brave.I\'ll be right 求帮忙翻译Please check back in 1 hour and I can give you an updat she -------(be)back in half an hour 1.I don’t think he will be back in an hour,_____________? he won't be back in an hour,i think...（合并为一复合句）