问题补充:
—Every day, my mother tries to spare some time to chat with me she is very tired after a wholeday’s hard work.
—How great she is!
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:尽管他工作了一整天很累,我的妈妈每天都尽量留出时间来和我聊天。结合语境可知选C。