If the development of a hardier variety of rice is successful, the damage to at least 4 million tons of rice crops a year will be prevented.
1) at least 4 million tons of rice crops a year will be
2) 4 million or more than 4 million tons of rice crops a year will be
3) at least 4 million tons of rice crops a year were
4) at least 4 million tons of rice crops a year would be
5) at least 4 million tons of rice crops a year had been
1) at least 4 million tons of rice crops a year will be
2) 4 million or more than 4 million tons of rice crops a year will be
3) at least 4 million tons of rice crops a year were
4) at least 4 million tons of rice crops a year would be
5) at least 4 million tons of rice crops a year had been
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