During a two-week meeting last month, the United Nations authorities (1)---- on agriculture and food security to fight against global food crisis. Meanwhile, the representatives of the world's governments (2) --- with experts to discuss possible solutions to shortages in major foodstuffs and rising prices. Since then a group of Spanish experts (3)----them to focus on ecosystems. According to these experts, the modern business-dominated agricultural industry of today (4)--the nature, and this means not only less but also worse food for the people of the world. It is evident that feeding the world (5) --- healthy ecosystems and good governance, and that's why all authorities are to get into action immediately.

1.
A) have focused
B) focus
C) will have focused
D) would have focused
E) focused

2.
A) gathered
B) have gathered
C) gather
D) will gather
E) are gathering

3.
A) had counseled
B) have been counseling
C) would have been counseling
D) will have been counseling
E)should have counseled

4.
A) was destroying
B) had destroyed
C) is destroying
D) are destroying
E) had been destroying

5.
A) will have always required
B) had always required
C) required
D) has always required
E) always requiring​