As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks.

Please don’t ask me to solve mathematical problems; they are beyond my ____.

For the______ of the customers ,the supermarket has recently opened several new branches in town.

It takes time to build ______ when you are learning a difficult skill.

—I have to ask a(n) _____ of you because the luggage is too heavy for me.—Oh, with pleasure.

Many ordinary people fought against _____ in order to create a fairer society.

As President Xi Jinping put it in Moscow on Saturday, China’s development creates more ______ than threats.

My calculations were based on the ______ that house prices would remain steady.

Syria's foreign ministry yesterday accused Israel ______ working with "terrorist groups" after it carried out two strikes against Syrian targets.

Out of ________ for the homeless, I gave them shelter for the night.

One      of owning your own car is that you can go anywhere at any time you like.

— This second-hand table cost me only $10.— It was a real ______. Where did you buy it?

In our daily life, everyone fails every now and then. It is how you react that makes a_______.

My calculations were based on the ________ that house prices would remain steady.

Scientists have achieved a major ___ in the search for a cure for cancer, ____ is good news for those who suffer from cancer.

—Mary was being badly treated when John happened to pass by and helped her out.—I think it was not a pure ________but had been well planned.

 The villagers in the mountain have a firm ______ that they will have a good harvest next year.

 I am surprised that you should have been fooled by such a simple ______.

She was in a _________ as to whether to stay at school or get a job

There’s no ________ from my bedroom window except for some factory chinmneys.