Once harm is _______ to the eco-system, all species will ________, including man himself. 
#19350
A
made; be in danger
B
done; be dangerous
C
caused; be endangered
D
done; be in danger
推荐题目
_______ the children grew old, they became more and more _______ in science.
#19126
A
As; interested
B
With; interesting
C
While; interest
D
With; interested
)My new friend is a ____ boy.
#34908
A
fifteen-year old
B
fifteen-years-old
C
fifteen years old
D
fifteen-year-old