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 |
推荐套卷
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 |