I'll back （）an hour,请问填写什么介词,要6个单词组成的最

I'll back （）an hour,请问填写什么介词,要6个单词组成的最 He says that he'll be back ____half an hour.(用介词填空） I'll stay three for （ ）hour. A.a B.an C.on D.of Hello!May I speak to Mr.Smith?--I'm sorry.______ I think he'll be back in an hour.怎么填,Hello!May I speak to Mr.Smith?--I'm sorry.______ I think he'll be back in an hour.怎么填, I'll be back ＿ten minutes or＿half an hour.（at,in),这句话填哪两个介词,还有这句话的翻译是? 英语翻译W:Just a second,I want to leave a message for Bill.M:Don’t bother,we’ll be back in less than an hour. They （not come）back yet.I think they will comThey （not come）back yet.I think they will come back in an hour. I'll be able to finish this essay ___(easy） in half an hour .（适当的形式填空） I'll be back I'll back for I 'll back you! ------where's jim? ---------he's left a ____saying that he'll be back in an hour.------where's jim? ---------he's left a ____saying that he'll be back in an hour. A.message B.news C.informatiom D.book I'll take you half an hour ---------to Tokyo by air (保持句意不变)it'll take you half an hour togo Tokyo by air保持句意不变you'll()half an hour ()toTokyo 求帮忙翻译Please check back in 1 hour and I can give you an update. i think```,he will not be back in an hour 把这两句合并 she said to me i came back an hour ago变成间接引语是什么 she -------(be)back in half an hour I'll be back I'll be back