could you go and find out ___there is a train to beijing?A.when B_英语解答

could you go and find out ___there is a train to beijing?A.when B.whether
请说明理由

人气：141 ℃　时间：2020-02-20 20:48:06

解答

很明显就是 is there a train to bj?所以,一般疑问句用whether.
用when的话,when is there a train to bj?不觉得怪怪的吗?