问题补充:
Many students believe that the choice of their universities and courses should their own interest.
A. base in
B. base on
C. be based in
D. be based on
答案:
A. base in
B. base on
C. be based in
(答案→)D. be based on
解析:考查固定短语。be based on基于… base…on…使…基于…。故答案为D。