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.
英語人氣：920 ℃時間：2019-09-30 19:28:36
優(yōu)質解答
我覺得pp比較合適
我來回答
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