We often despise what is most useful to us."

We often despise what is most useful to us." What is useful for us to know according to the passage 翻译 what letter is the most useful to a deaf woman A,B,C or D 英语翻译Oil (油)is very useful to us .We need oil in many ways.Wi ----------the robot is very useful to us,we should treat it We are often asked to make a speech in life.Most of us are a We are often asked to make a speech in life. Most of us are 英语翻译We are often asked to make a speech in life.Most of us a 英语翻译As most of us would agree,it is often very difficult to 英语翻译What we should do is to draw useful lessons from waht ha 27.The most important for us now is to ____ what is to be do what excites us most is that we can set off firecrackers whe