通过民族融合而形成的多民族国家,有利于民族的发展()
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When he woke up, he found himself ( ) the hospital.
A. in
B. of
C. on
D. by
Some people think that when adults are talking, it is not polite of children to jump ( ).
A. on
B. in
C. by
D. to
These classes help members learn how to change their eating ( ).
A. habited
B. habit
C. habits
D. habites
The girl is arguing with her boyfriend( )how to spend the money.
A. for
B. to
C. with
D. about