The hypothetical past refers not to a fact but to a non-fact.
                    举一反三
- The hypothetical past refers not to a fact but to a non-fact.
 - The hypothetical past refers not to a fact but to a non-fact. A: 正确 B: 错误
 - The phrase “glorious messiness of English ” refers to the fact that _______
 - The phrase “the opposites effect” underlined in Paragraph 4 refers to the fact of ---
 - The fact that space exploration has increased dramatically in the past thirty years _____.
 
