问题
选择题
— What have you done these days?
— I’ve read all the books _____ you gave me because they are the best ones _____ are on the subject.
A．that; that
B．which; which
C．what; which
D．who; what
答案
答案：A
考察定语从句。当先行词是指物且前面有all和形容词最高级修饰的时候，都是使用关系代词that。故Ａ正确。