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
网友回答
A. unless
(答案→)B. when
C. once
D. even if
解析：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。