—Which is _______, the sun, the moon or the earth?—Of course the sun. 
#60844
A
smaller
B
the smallest
C
bigger
D
the biggest
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The Yellow River is __________ river in China.
#61000
A
the longer
B
the longest
C
the second longest
D
longest
Lucy didn’t make mistakes in the math exam. She is _____ in my class.
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A
the most careful
B
the most careless
C
more careful
D
much careful