问题补充：
books you have borrowed from the library should be returned in two weeks’ time.
A. Whatever
B. However
C. No matter what
D. What
答案：
(答案→)A. Whatever
B. However
C. No matter what
D. What
解析：词义辨析. A.无论什么 B. 无论怎样 C.不管什么 D. 什么.句意,无论你从图书馆借了什么书都应该在两周内归还. No matter不能引导主语从句, books you have borrowed from the library为主语从句,故选A.
