Question

As we have planned, we’ll go to Beijing to attend her sister’s wedding party. We’ll also visit our mother school _______we go there.

A．unless

B．when

C．once

D．even if

Answer 1

B

此题考查连词的用法。连词的选择取决于两个分句之间的逻辑关系，本题前面已经说明去北京参加婚礼是已经计划好了的，故应选择表示时间的连词，答案为B。