Could you please tell me ____?A.how I can solve the problem B.how_英语解答

Could you please tell me ____?A.how I can solve the problem B.how I could solve the problem
我知道选B,不清楚为什么.
还有一道：
I'm waiting for my daughter.the train ____she is traveling must be late.
A.which B.that C.on which D.in that
不好意思，第一题选A，我打错了

人气：336 ℃　时间：2020-01-28 14:36:24

解答

A.how I can solve the problem 选A的.Could you please tell me ____? 句中Could表示委婉语气,不表示时态的.
C.on which为什么是on which啊（分析一下句子成分）定语从句the train ____she is traveling must be late.中缺少地点状语，应用where或者on which来做地点状语。句意为：她乘坐的火车一定是迟到了。