Of the two shirts, this one is ...................
A. the prettiest
B. the most pretty
C. prettier
D. the prettier
Đáp án đúng: C
Dịch: Trong hai cái váy, cái này thì đẹp hơn
Albert Einstein’s contributions to scientific theory were ................ those of Galileo and Newton.
Both are informative articles, but this one is ................ .