The teacher told the pupils that the United States of America _____ 50 states.
#11996
A
was made of
B
made up
C
makes up
D
is made up of
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 The kids seated themselves      to the teacher and listened          with great interest.
#11257
A
closely; close
B
close; closely
C
closely; closely
D
close; close
--- How can I use iPhone 4s?--- Just refer to the _________.
#13608
A
explanations
B
expressions
C
directions
D
Preparations
(2013·北京高考)Volunteering gives you a chance ________ lives, including your own.
#11379
A
change        
B
changing
C
changed
D
to change