题目内容：

He will be all right in __________
A one day or two days
B one or two days
C one and two days
D one or two day
请讲清选什么和理由,并交代清其他选项错误的理由

优质解答

选B.根据句意.
A one day or two days不符合英语表达习惯.
C one and two days,用or来连接
D one or two day,day加s .