请先阅读下面短文，掌握其大意，然后从各小题所给的A、B、C、D四个选项中选出可以填入相应空白处的最佳选项。
A recent poll(民意调查) shows that fewer and fewer people in the United States believe(相信) in the American dream. The poll asked the question: do you       you can start out without money in this country, work hard and become rich? Only 64 percent of Americans said "yes".
Trust(信任) in the American dream      disappearing. But around the world, a new dream has been getting strength--the Chinese dream.
"Chinese dream" has become President Xi Jinping's political slogan(政治口号). But,      is the Chinese dream? And how has President Xi started      that dream come true?
For many Chinese people, it is not always       to believe in the Chinese dream. Some people ________one main reason for this is the country's pollution(污染) problem." What is the most important thing you experience(经历)? Pollution. When you're a young couple and you have kids, it's not so easy to dream.        you have to care about your health."
The Chinese dream is not just for a       and more powerful China, but a cleaner China. President Xi and the Chinese government know this. President Xi said," Every day we will       a blue sky, green       and clear rivers, not just in Beijing, but all across China so that our children will live in an enjoyable environment."

A．imagine B．get C．know D．believe

A．maybe B．may be C．may D．should be

A．which B．where C．what D．who

A．to make B．make C．made D．makes

A．difficult B．hard C．easy D．straight

A．shout B．talk C．speak D．say

A．And B．So C．Because D．But

A．bigger B．longer C．richer D．stronger

A．see B．look C．watch D．notice

A．mountains B．houses C．rooms D．streets