问题补充:
—Which of these two English books will you borrow?
—I’ll borrow of them because they are very interesting.
A. either
B. all
C. neither
D. both.
答案:
A. either
B. all
C. neither
(答案→)D. both.
解析: 根据下文内容because they are very interesting.可知应该是二者都,故选both。