When Richard said，“You are much more agreeable and prettier now，Joan’s face turned red at the unexpected_____.

The matter __________ your fate can't be taken for granted. You have to think it over seriously.

By speeding up reforms the UN is trying to live up to the wishes of people around the world and __________ more to building world peace.

With so many debts to pay back, the company was in serious __________ difficulty.

Rather than sticking to the principles stubbornly, China is now adopting a new concept in economic policies in a/an _______way that shows its own characteristics.