past tense,present tense,past participle
past tense,present tense,past participle
Is this correct?
1)Past tense
The demand for energy dropped steadily between 1985 and 1990 from 5 units of energy to approximately 2 units.
2)Present tense
The demand for energy dropps steadily between 5 units of energy to approximately 2 units.
3)past participle
The demand for energy has dropped steadily between 1985 and 1990 from 5 units of energy to approximately 2 units.
or
4)The demand for energy has dropped steadily from 5 units of energy to approximately 2 units.
Is this correct?
1)Past tense
The demand for energy dropped steadily between 1985 and 1990 from 5 units of energy to approximately 2 units.
2)Present tense
The demand for energy dropps steadily between 5 units of energy to approximately 2 units.
3)past participle
The demand for energy has dropped steadily between 1985 and 1990 from 5 units of energy to approximately 2 units.
or
4)The demand for energy has dropped steadily from 5 units of energy to approximately 2 units.
英语人气:323 ℃时间:2019-09-30 19:28:36
优质解答
我觉得pp比较合适
我来回答
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