Online shopping is becoming _____ popular.
A. more and more
B. much and much
C. most and most
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--_____ have you been a nurse,Anna?
A. How often
B. How far
C. How long
--I _____ eat vegetable.--But they are good for your health!We should eat them every day.
A. often
B. always
C. seldom
He is _____ player in Houston Rockets.
A. the tallest
B. taller
C. tall
____ the old man is,_____ he feels.
A. The busy.the happy
B. The busier.the happier
C. Busy,happy