-- Which T-shirt do you like better, the yellow one or the blue one?-- Of the two, the blue one is ________.
A. the nicest
B. the nicer
C. nice
D. a nice one
The Yellow River isn't so _______ as the Yangtze River.
A. long
B. longer
C. longest
D. the longest
Who is the ______, Jane, Susan or Anna?
A. short
B. shorter
C. shortest
D. much shorter
Tim sings _______ better than his brother.
A. more
B. most
C. many
D. much