Many birds are out of ____________ now, because we have done a lot of things to protect __________ birds.
#45827
A
dangerous; endangered
B
danger; dangerous
C
endangered; danger
D
danger; endangered
推荐题目
It rained______yesterday. And it,s very cool today.
#45382
A
friendly
B
strongly
C
heavily
D
brightly
The piano is too ________ for us ________. 
#45799
A
expensive; buying
B
more expensive; to buy
C
expensive; to buy
D
more expensive; buying