We took mother to all the best hospitals we could find, but all our efforts
来源 :焚题库 2022-05-11
中单选题We took mother to all the best hospitals we could find, but all our efforts were in();she passed away last month.
A.valid
B.vain
C.vacant
D.vague
参考答案:B
答案解析:这句话的意思是:我们带母亲去了我们能找到的所有最好的医院,但是一切努力都是徒劳的,她上个月去世了。vain意为“无益的、徒然的”;valid意为“有效的、有充分根据的”;vacant意为“空的、未被占用的”;vague意为“不清楚的、含糊的、茫然的”。根据句意,选项B为正确答案。