河南成教 / 当代英语语法概论
39[填空题,0.7分]
Fill in the blanks with appropriate pronoun.Water boils at 100oC, at __________ temperature it changes into gas.
39[填空题,0.7分]
Fill in the blanks with appropriate pronoun.Water boils at 100oC, at __________ temperature it changes into gas.
参考答案: