填空题

Ice can be almost as hard as steel and as strong as concrete when its temperature is______ centigrade.

【参考答案】

far below zero degree/7degrees below zero

<上一题目录下一题>

热门试题

填空题

A Chinese should pay ______if he wants to subscribe the magazine for a year.

填空题

Now if you subscribe fur one year, you can enjoy______.