As a brilliant and mature student with a rare gift of concentration, Marie harbored the dream of a scientific career which was impossible for a woman at that time.
A. ugly
B. dark
C. dull
D. dirty
Đáp án C
=> KEY C: brilliant: (a) tài giỏi, lỗi lạc >< dull: (a) chậm hiểu, tối dạ, ngu đần, đần độn