Unable to engage in many activities my father still tried to participate in some way.

According to the passage, why were doctors in the West sometimes unable to help their pati

（Unable) to see their business as a separate entity, many people fail to make （a) distinct

How many years do the United Nations spend bringing the number of children unable to go to

Americans find it difficult to engage in any activity for pure pleasure. We have to have

In Western culture, an engagement begins with "yes" to a simple question: "Will you marry

阅读理解。Many Chinese students who have learnt English for more than ten years are still unable to s