I don't think my father will be back() 3o'clock this afternoonA.i_英语解答

I don't think my father will be back() 3o'clock this afternoon
A.inB.byC.onD.for
为什么选B求给理由

人气：296 ℃　时间：2020-02-02 14:56:02

解答

by意为：到,为止
我认为我父亲到今天下午3:00为止,不会回来的.