I was feeling left out in the new school Alice an easygoing girl from Canada came to sta

问题补充：

I was feeling left out in the new school Alice, an easygoing girl from Canada, came to stay with me.

A. if

B. once

C. when

D. unless

答案：

A. if

B. once

(答案→)C. when

D. unless

解析：句意：.我正感觉被遗弃在新学校 ，这时爱丽丝，一位来自加拿大随和的女孩，来和我呆在一起。. if 如果；once一旦；when 这时；unless除非。故选C。

考点: 考查连词的用法。