Who ______ the fight against the H1N1 flu ______ it not been for the Chinese scientists’ great efforts?
| A．could have won; had | B．would win; had | C．would have won; has | D．could win; has |
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Who ______ the fight against the H1N1 flu ______ it not been for the Chinese scientists’ great efforts?
| A．could have won; had | B．would win; had | C．would have won; has | D．could win; has |
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