In solving the difficulty, what really______is our courage and spirit.A．sensesB．requiresC．

What does the writer think is needed to solve our industrial problems？A．A reduction in the

According to Angelina, what is the key issue in solving the refugee problem？A．The current

What is the passage mainly about？A．Ways to make time－lapse photography.B．Difficulties in m

What is the speaker mainly talking about？A．The problem of global warming.B．The difficulty

What does the author try to express in the last paragraph？A．Difficulties in raising her ch

What is the most important factor in solving the man who threatened people？A．Power.B．Skill