题目

Try to make them concise
The substance,which was discovered almost by accident,had revolutionized
medicine.
In this modern world of today,people never walk when they can ride.
We asked Mr.Wilson to give us advice because of the fact that he is such a wise man.

提问时间：2020-10-25

答案

1.The substance,which was discovered by accident,had revolutionized medicine. 2.In this modern world ,people never walk when they can ride. 3.We asked Mr.Wilson to give us advice because he is such a ...