the 1990s, the number of antelopes had fallen to about 50,000.A.DuringB.SinceC.B
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____ the 1990s, the number of antelopes had fallen to about 50,000.
A.During
B.Since
C.By
D.Over
试题答案
C
试题
____ the 1990s, the number of antelopes had fallen to about 50,000.
A.During
B.Since
C.By
D.Over
C
试题