They will arrive in an hour.（对 in an hour提问）

they will come here in half an hour.(对in half an hour提问) They will arrive in half an hour谢谢 They will arrive in half an hour.改为同义句 They will arrive in ( He will come back in an hour.对in an hour 提问 求大虾们帮忙解决一道英语题They will come here in an hour.(对in an hour提问） They will finish their work in half an hour.(对划线部分提问,划 in ha the train will arrive in half an hour later? John will arrive in Bejing in one hour.对in one hour 划线提问 The train_____ (arrive) in half an hour Lcy will finish writing an e-mail (in half an hour)对括号里提问 we're leaving in an hour 对in an hour 提问 they will go back () A after half an hour B in half an hour