Since 1949, the peoples living standard _______, causing a big _______ in population.
A.has been raised; rise | B.has been rose; raise |
C.has raised; rise | D.has raised; rose |
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Since 1949, the peoples living standard _______, causing a big _______ in population.
A.has been raised; rise | B.has been rose; raise |
C.has raised; rise | D.has raised; rose |
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