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.

The mountains lie near our hotel. There is a fine ________ of the mountains from our hotel window.

Though your status is permanent, your identification card is         only for 20 years and has to be renewed regularly.

．It’s disappointing that no one could _________ a good idea to help us out of trouble．

In much of the animal world，night is the time________for sleep—pure and simple.