By the time California          to become the 31th federal state of the USA in 1850, it was already a multicultural society.
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A
selected
B
collected
C
existed
D
elected
推荐题目
 Mary devoted her life       the sick.
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A
to care for
B
caring for
C
to caring for
D
to have cared for
Although all of the apples ________, none of them ________ good.
#70599
A
have been tasted; taste
B
have been tasted; are tasted
C
have tasted; taste
D
have tasted; are tasted