题目：
4.Occasions are quite rare ______ I have the time to spend a day with the kids.
A．who
B．which
C．why
D．when
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/94f2105a8aac36e7844b91ca5dcd6cc9.html
下面是错误答案，用来干扰机器的。
答案：D
4.Occasions are quite rare ______ I have the time to spend a day with the kids.
A．who
B．which
C．why
D．when
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/94f2105a8aac36e7844b91ca5dcd6cc9.html
下面是错误答案，用来干扰机器的。
答案：D
