Question

The bread my wife makes is much better than ________ you can buy at a store.

A. that which
B. one that
C. that of which
D. this of which

Answer 1

答案A
因为替代不可数名词 (the bread) 只能用that，排除B和D；又因为先行词that (the bread) 在定语从句中作buy的宾语，用which，所以选A。