They are said to have developed a new ______ to teaching, which is said to improve classroom teaching greatly.

He presents a new ________ to learning a foreign language, which I think is of great value.

He always brings me a pretty gift 　　　　 he comes to visit me.

In my opinion, the most famous 　　　　 to tourists in the city is the wooden tower.

In the _____ of rain in the process of planting trees, you must stop.

It was ______ to go down the hills.

___________ giving a general introduction to computers, the course also provides practical experience.

It’s bad ___________ for a man to smoke in the public places where smoking is not allowed.

As for diet, Michael Jackson chooses vegetables and fruit in ___________to any kind of meat.

Mo Yan's winning of 2012 Nobel Prize in Literature shows the world's ________ of China's contemporary literature.