____ the 1990s, the number of antelopes had fallen to about 50,000.
#26111
A
During
B
Since
C
By
D
Over
推荐题目
He is ____our teacher; he is also our best friend. 
#26385
A
less than
B
rather than
C
more than
D
better than
I met an old friend __________ on the train yesterday.[
#26650
A
by chance
B
on purpose
C
in fact
D
in return
 Psychological studies show that some people are quick-tempered _____.
#28355
A
at heart
B
on purpose
C
in person
D
by nature