(2013·新课标Ⅱ，14)It's an either—or situation—we can buy a new car this year or we can go on holiday but we can't do .
A. others
B. either
C. another
D. both
网友回答
A. others
B. either
C. another
(答案→)D. both
解析：句意：这是一个只能二选一的处境——我们可以在今年买一辆新车，或者去度假，但是我们不可能两件事都做。not...both表不完全否定(并非两者都……)。