There is no ____ that 100 years ago animal testing was cruel, but today animals in experiments are very well taken care of.
#92503
A
point
B
wonder
C
use
D
doubt
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They peasants did what they____ the crops, but failed.
#95112
A
could save
B
could saving
C
could to save
D
could saved
________________________, and the problem would be straightened out(解决).
#93947
A
A bit more effort
B
Having a little effort
C
If you have a bit more effort
D
There being a little effort