One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.
#10720
A
betray
B
resist
C
preserve
D
abandon
推荐题目
____ our teacher will allow ____ early after examination? 
#13235
A
Who do you think; leaving
B
Do you think who; to leave
C
Do you think who; leaving
D
Who do you think; to leave
 We really hope the sunny weather ________ for Saturday's tennis match.
#11115
A
keeps up
B
picks up
C
takes up
D
comes up