问题补充:
makes the people in Shanghai proud is they have achieved a lot in the past ten years.
A. What; because
B. What; that;
C. That; what
D. That; because
答案:
A. What; because
(答案→)B. What; that;
C. That; what
D. That; because
解析:本题考查名词性从句。第一个what引导主语从句,且在从句中作主语,第二个what引导表语从句,且在从句中作宾语,故选B。