The black computer is ____ of the two.You can take it.
A. cheap
B. the cheper
C. cheapest
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Hey,Jane._____ are you feeling now?
A. how
B. what
C. when
After finishing his homework,he fell ____.
A. sleep
B. sleeping
C. asleep
Online shopping is becoming _____ popular.
A. more and more
B. much and much
C. most and most
--_____ have you been a nurse,Anna?
A. How often
B. How far
C. How long