问题补充:
—Every day, my mother tries to spare some time to chat with me,she is very tired after a whole day’s hard work.
—You are lucky to have such a great mum!
A. unless
B. whether
C. although
D. until
答案:
A. unless
B. whether
(答案→)C. although
D. until
解析:unless除非,如果不;whether是否;although 虽然,尽管;until直到。句意:每天我母亲都努力挤出时间来和我聊天,尽管她在一整天的工作之后非常累。——你有这样一位伟大的母亲,太幸运了。结合语境可知选C。