More bison were killed．The bison population is thought ______ from 60 million to just a few hundred between 1850 and 1910.
#96722
A
to have fallen
B
having fallen
C
to fall
D
falling
推荐题目
_______ to her own work, she spent little time with her children.
#96458
A
Devoting
B
To be devoted
C
Devoted
D
Having devoted
A sudden hurricane occurred in Tokyo last night ,____ great inconvenience in transport .
#97613
A
caused
B
causing
C
affecting
D
brought
The vocabulary and grammatical differences between British and American English are so few and unimportant as hardly______.
#88897
A
noticed
B
to notice
C
being noticed
D
to be noticed
The headmaster spoke at the meeting for about 2 hours without ________ his notes．
#96969
A
according to
B
looking for
C
referring to
D
looking up